Definition of authenticate in US English:

authenticate

verb

[with object]
  • 1Prove or show (something, especially a claim or an artistic work) to be true or genuine.

    ‘they were invited to authenticate artifacts from the Italian Renaissance’
    • ‘There is little authenticated information on the likely cost of the programme and its various component projects.’
    • ‘If you have a document, authenticate it, and be careful of your sources.’
    • ‘Membership is free, however, in order to authenticate your enrollment please confirm your account details below’
    • ‘These certificates are an important consumer safeguard, as they authenticate a stone's specifications and confirm that it matches what a salesperson claims it is.’
    • ‘In fact, only two experts authenticated them - and could not vouch for the documents themselves, only the signature, the sources said.’
    • ‘The significant problem with both press releases and web pages that describe these items is that they provide little, if any, hard data that authenticates the identification of these items as valid artifacts or bones.’
    • ‘This found the first authenticated case of football match-fixing - and it resulted in the suspension of eight players.’
    • ‘I hope our Prime Minister will think about this in the coming weeks should the substance of the leaked memo be authenticated.’
    • ‘There is no authenticated record of three or more such deaths in a single family.’
    • ‘It was five months and 11 days after the event that I finally received the certificate to authenticate the achievement.’
    • ‘The family claimed asylum in the UK, but, despite evidence that included authenticated documents, their story was not believed and their claim was rejected.’
    • ‘These secondary art pieces, the organizer said, were not readily available on the market and each piece was fully authenticated and personally guaranteed.’
    • ‘It is the vendor's responsibility to supply evidence sufficient to authenticate the material and allay these concerns; this, to date, has not been done.’
    • ‘Even if an engagement ring comes with a certificate authenticating the stone, this is no guarantee of the market value.’
    • ‘The state Electoral Commission had itself checked and authenticated their membership claims, verifying 97 percent as genuine.’
    • ‘The lawyer says his client has started compiling documents that he says will authenticate her life story as she tells it in the book.’
    • ‘How will a prescription telephoned or e-mailed from a physician's office be authenticated or confirmed in pharmacies?’
    • ‘He said such evidence could include originals or copies of documents authenticated by the UN fact-finding commission.’
    • ‘A variety of evidence can be brought forward to authenticate documents, whether the documents are originals or, as in this case, copies.’
    • ‘Research institutions and universities can provide scientific support to authenticate the data.’
    • ‘The teenagers also asked relatives to send them school and birth certificates to authenticate their nationality.’
    verify, validate, prove to be genuine, certify
    validate, ratify, confirm, seal, sanction, endorse, guarantee
    View synonyms
    1. 1.1 Validate.
      ‘the nationalist statements authenticated their leadership among the local community’
      • ‘That authenticates the spiritual meaning of the place and makes it that much more attractive and mysterious rather than just a lump of rock that looks pretty in the sunset.’
      • ‘‘It authenticates the mission of the church,’ he says, finishing his strong argument as I finish his strong coffee.’
    2. 1.2Computing no object (of a user or process) have one's identity verified.
      • ‘In order to access the functions with your browser, you must first authenticate with a user name and password.’
      • ‘However there is no need to authenticate to perform this attack, only access to the web server is required.’
      • ‘The global internet browsing policy dictates that everyone must authenticate with user credentials prior to gaining access to the internet.’
      • ‘Web Users: members can authenticate with a proxy server to access the Web.’
      • ‘He then proceeds to enroll and authenticate to the secure e-mail service.’
      • ‘A closed portal requires users to authenticate before they get access.’
      • ‘The Deluxe edition is ideal for home or small-business users in a workgroup environment or for people who don't need to authenticate to a Windows server.’
      • ‘For instance, the application might require users to authenticate using web-based forms.’

Origin

Early 17th century: from medieval Latin authenticat- ‘established as valid’, from the verb authenticare, from late Latin authenticus ‘genuine’ (see authentic).

Pronunciation

authenticate

/ôˈTHen(t)əˌkāt//ɔˈθɛn(t)əˌkeɪt/