Definition of accession in US English:



  • 1The attainment or acquisition of a position of rank or power, typically that of monarch or president.

    ‘the Queen's accession to the throne’
    ‘lost the vote on the Fortas accession to the chief justiceship’
    • ‘A stunning portfolio of photographs of the Queen was unveiled today to mark the 50th anniversary of her accession to the throne.’
    • ‘The thunderous roar of these guns of war ripped through York's Museum Gardens today to celebrate the Queen's accession to the throne.’
    • ‘Now, with the imminent prospect of Wilhelm's accession to the throne, he felt it incumbent upon him to warn Lord Salisbury.’
    • ‘Edward VI's accession to the throne meant greater support for Protestantism throughout the country, and imprisonment for Gardiner.’
    • ‘It's probably because historically she seems to have been fussy and stubborn, and also a staunch Catholic in a country that at her accession to the throne was already become mostly Protestant.’
    • ‘At the time of our Queen's accession to the throne, comparisons were drawn between the reign of the first Elizabeth and the new monarch.’
    • ‘At the time of his accession to the throne, much of northern France was under English occupation, including Reims, where he should have been crowned.’
    • ‘The foundation stone was laid by Mrs Brown on June 21, the 50th anniversary of Queen Victoria's accession to the throne.’
    • ‘The Rose of Lancaster deals with Henry VI's accession to the throne, wars in France, the Wars Of The Roses, and Joan of Arc.’
    • ‘But Preston has been named as one of the nation's ‘Golden Cities’ to mark the 50th anniversary of the Queen's accession to the throne.’
    • ‘Little more than a year after her accession to the throne, she would sign the transfer of sovereignty to the Republic of Indonesia.’
    • ‘Albert's accession to the throne is a two-step event, with another ceremony expected to draw heads of state on November 19.’
    • ‘Preparations are already under way to display 100 royal hats, some of which date back to the Queen's accession to the throne in 1952.’
    • ‘The same claim can be made about the recent celebrations of the golden jubilee of the Queen's accession to the throne.’
    • ‘The Queen Mother took up residence after the death of her husband George VI and the Queen's accession to the throne.’
    • ‘The Queen yesterday marked the 50th anniversary of her father's death - and of her accession to the throne - with a poignant visit to a cancer unit.’
    • ‘Many were expected to celebrate the 50th anniversary of the Queen's accession to the throne by holding events such as street parties in June.’
    • ‘Many councils will not be holding special civic functions to mark the 50th anniversary of Queen Elizabeth's accession to the throne.’
    • ‘Appointed as secretary to the Dutch Embassy, he was sent to England in 1715 to congratulate George I on has accession to the throne.’
    • ‘National Day is held on 3 March, in celebration of King Hassan II's accession to the throne in 1961.’
    succession, elevation
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    1. 1.1 The action or process of formally joining or being accepted by an association, institution, or group.
      ‘the accession of Spain and Portugal into the European Community’
      • ‘Turkey's process of accession will help ultimately to define what Europe is.’
      • ‘Its purpose was to call upon Bulgaria's intellectual community to aid the country in the process of accession into the European Union.’
      • ‘The working party on China's accession will formally approve the package on Monday at WTO headquarters in Geneva, clearing the way for entry by the end of this year.’
      • ‘I would like to express my hope that the process of accession leading to full membership will take place in the shortest possible term.’
      • ‘He added that the enlargement process of the EU was a reversible process and that each candidate country should be granted accession according to its own merits.’
      • ‘On another level, Sweden has been consistent in the political support it has lent to the process of Bulgaria's accession.’
      • ‘This week, Bulgaria's intellectual potential will be called upon to aid the country in the process of its accession into the European Union.’
      • ‘Of the process of EU accession, he says, ‘a lot of work has been achieved but a lot more is left to do’.’
      • ‘The process of accession is a difficult one and Bulgaria should complete negotiations within the predicted time frame, Palacio said.’
      • ‘The process of accession is long and complex, and can tie up a lot of the available resources of the Commission.’
      • ‘To this process, Bulgaria will be able to add the valuable experiences it has gained in its own process towards accession so far.’
      • ‘The commission says Kosovo should be made independent by next year and embark on a four-stage process to EU accession.’
      • ‘Thirdly, this process of accession has established very close links between the civil society here and the civil societies of the member states.’
      • ‘Sweden has actively supported Bulgaria's EU accession throughout the negotiation process.’
      • ‘The most potent instrument is the offer of accession, hence of participation in the Union's institutions and powers as a whole, to other European states.’
      • ‘Voting concluded in the Czech Republic yesterday. The second largest of the ten nations set to join the EU in May 2004, accession is likely to be approved by a slim majority.’
      • ‘He said that these processes of accession had entered the phase of no return and there was no political force that would reverse them.’
      • ‘Furthermore, they reiterated ASEAN's wish to see the WTO speed up the process for the accession of Cambodia, Laos and Vietnam to the organization.’
      • ‘The process of accession for eight of those countries was not without complications, but now they are full members.’
      • ‘The new Bulgarian Cabinet plans to accept all reforms, related to EU accession, by the end of September.’
      joining, signing up, enrolment
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    2. 1.2 The formal acceptance of a treaty or agreement.
      ‘accession to the Treaty of Paris’
      • ‘He said a state has to ratify and finally deposit instruments of ratification to the institution specified in the treaty, following signing or declaring accession to a treaty.’
      • ‘Denmark, for instance, voted against the Maastricht Treaty in June 1992, and later only a marginal majority of French voters confirmed the accession to the Treaty.’
      • ‘Goff said accession to the treaty ‘signals that New Zealand is committed to closer engagement with ASEAN, and with Asia more generally.’’
      • ‘This criticism has been directed to accession to the United Nations Convention on the Rights of the Child and other treaties, without adequate consultation with or participation by the states.’
      • ‘It also revealed that relevant ministers in Russia have now consented to accession to ASEAN's core Treaty of Amity and Cooperation in Southeast Asia.’
      • ‘Meanwhile, New Zealand and Mongolia are scheduled to sign Thursday the instruments of accession to ASEAN's nonaggression pact known as the Treaty of Amity and Cooperation.’
      • ‘It said the two sides agreed to hold the signing ceremony for China's accession to the treaty at a meeting between Chinese and ASEAN leaders slated for October on the Indonesian resort island of Bali.’
      • ‘It is in this context that the Russian side raises the question of linking NATO membership for certain states to their accession to the Agreement on Adaptation of the CFE Treaty.’
      • ‘That agreement resulted in Pyongyang's accession to the Nuclear Non-Proliferation Treaty, but in the end Moscow did not build the promised reactors.’
      • ‘Certain decisions, such as interpretation of the multilateral trade agreements, waivers, and amendments and accessions, can be taken only by a specified majority vote.’
      • ‘The horizontal axis then focuses on the extent to which states expect or anticipate that their behaviour will be constrained by their accession to an implicit or explicit set of agreements.’
      assent, consent, agreement
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  • 2A new item added to an existing collection of books, paintings, or artifacts.

    • ‘Twelve of these accessions were taken from collections of J. Bergelson and R. Mauricio.’
    • ‘Where large amounts of information are located within a single accession number, references may also include box, file, and/or folder numbers.’
    • ‘These libraries concentrated on British and European publications, though most included local books, journals, and newspapers among their accessions.’
    • ‘Griffin, Georgia, is home to USDA's eggplant collection, which includes 770 different accessions collected from around the world.’
    • ‘‘About 50 of the 400 accessions represent more than 90 percent of the collection's true diversity,’ says Krueger.’
    • ‘All the accessions were collected from various regions of the Middle East.’
    • ‘Researchers are kept up to date about recent accessions, loaded usually within a short time of a collection's receipt into the Library.’
    • ‘Objects are displayed with their accession numbers so that additional information can be obtained at computer terminals installed throughout the center.’
    • ‘Users of these sequences are kindly requested to refer to the present paper in addition to the accession numbers.’
    • ‘To mark the occasion the museum's curators organized an exhibition featuring objects from the permanent collection, almost all of which were recent accessions specifically donated to celebrate the new building.’
    • ‘Soon, up to 6,000 new accessions will arrive through exchanges with other countries, further swelling an already vast collection.’
    addition, acquisition, new item, gift, purchase, adjunct, add-on, gain
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    1. 2.1 An amount added to an existing quantity of something.
      ‘did not anticipate any further accession of wealth from the man's estate’
      • ‘After clearing of native vegetation, rainfall accessions to the groundwater has increased in the order of 10-fold over natural rates.’
      • ‘The eastern frontier of the new Poland was fixed to run along the Curzon Line, while the question of the western border was left open, with a reference to ‘substantial accessions of territory in the north and west’.’


[with object]usually be accessioned
  • Record the addition of (a new item) to a library, museum, or other collection.

    • ‘Although toys have been formally accessioned into the collection since the early twentieth century, older curatorial records are not always as complete as records compiled for new acquisitions.’
    • ‘Objects made by American Indians (particularly those who lived around Dartmouth) were also accessioned early in keeping with the college's mission to educate members of local tribes.’
    • ‘The collections were accessioned by the NMB, and distributed to specialists for identification and preparation of systematic monographs.’
    • ‘Boas staged a mock funeral for Qisuk and lied to Minik about what he did with his father's body, which in fact was autopsied and accessioned to the museum's collections.’
    • ‘A select few will be digitized and displayed on the Web site and possibly accessioned as specimens in the University Herbarium.’
    • ‘He said 33 bottles were marked for accessioning into the museum, including the Model Dairy and the Idutywa items, which were not represented in the collection.’
    • ‘Traditionally, when records are accessioned, they are physically and legally handed over to the archive and marked as such.’
    • ‘It was loaned to the Metropolitan Museum of Art in New York City in 1874 and was formally accessioned in 1896.’
    • ‘In March 1934, the trustees met the financial terms of the Bliss will, her bequest was accessioned and a Museum of Modern Art with a permanent collection became a reality.’
    • ‘It actually hadn't even been properly accessioned to the collection - there was just a note that these were said to have been found dug up near Darwin cathedral.’
    • ‘The nucleus of the center is the Clement Greenberg Collection of painting and sculpture, which was recently accessioned en bloc.’
    • ‘As per this agreement, these materials were assigned UCGM catalogue numbers, but were never accessioned into the University collections.’
    • ‘I am not aware that the Whitney has accessioned for its permanent collection any work by Nivison, although a recent bequest by her friend, the artist Felicia Meyer Marsh, includes some of Nivison's small oil paintings.’
    • ‘Of the items now offered, more are turned away than are accepted and accessioned into the collection.’
    • ‘Four of these are known to have been accessioned in 1904.’
    • ‘The CSUN collection, which was accessioned by LACMIP in July 2001, is mostly regional (southern California) in scope and predominantly comprised of invertebrates, although a few vertebrate and plant fossils are included.’
    • ‘That the Metropolitan Museum accessioned no works by Sargent between 1941 and 1949 reflected the distractions of World War II and the fact that interest in late nineteenth-century cosmopolites like Sargent was at its nadir.’
    • ‘In 1945 the entire set of dining room tapestries was given to the Metropolitan Museum of Art in New York City, but regrettably the panels by Reinhard were never accessioned by the medieval department and were disposed of in 1946.’


Late 16th century (in the general sense ‘something added’): from Latin accessio(n-), from the verb accedere ‘approach, come to’ (see accede).