Definition of attest in US English:

attest

verb

[with object]
  • 1Provide or serve as clear evidence of.

    ‘his status is attested by his recent promotion’
    no object ‘his numerous drawings of ships attest to his fascination with them’
    • ‘Both public documents and private testimonies attest this fact.’
    • ‘The image of the human body and its pervasiveness in both thought and literature attest to Alexander Pope's declaration that the only true study of mankind is man himself.’
    • ‘Long-distance trade both east and west is well attested, as well as internal commerce in artefacts and foodstuffs.’
    • ‘No certain archaeological evidence exists to attest these invasions, and there is still much uncertainty about the route taken and places visited.’
    • ‘A mass of evidence attests to the instability of unmarried relationships.’
    • ‘Substantial evidence now attests to the extent of doctors' unhappiness with the state of their relationships with managers.’
    • ‘Scientific evidence attested to the portrait's 17th Century origins.’
    • ‘The existence of a free labour market here is well attested.’
    • ‘International awards like these attest to the film's universal appeal.’
    • ‘Alexander the Great's managerial ability is attested to by his successes.’
    • ‘International empirical evidence attests to the large economy-wide returns from public investment in infrastructure.’
    • ‘Regardless of the evidence attesting to the safety of abortion, the idea that abortion constitutes a health risk remains the subject of debate.’
    • ‘Many landmarks attest to the richness of its history.’
    • ‘The fragility of their beliefs is also attested to by how abusive they become when questioned.’
    • ‘Compaq's growth, in particular, is attested by anecdotal evidence from industry.’
    • ‘The popularity of hobbies is attested to by the enormous range of specialist hobby magazines one can find on the shelves of any newsagency.’
    • ‘America's emotional attachment to flags attests the country's penchant for patriotic spectacle.’
    • ‘The circumstantial evidence all attests to these being excellent translations.’
    indicate, show, reveal, be evidence of, display, exhibit, manifest, denote, evince, signify
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    1. 1.1no object Declare that something exists or is the case.
      ‘I can attest to his tremendous energy’
      with clause ‘the deceased's attorney attested that he had been about to institute divorce proceedings’
      • ‘As a former graduate student in sociology, I can attest to the accuracy of your claim.’
      • ‘But rank and file American travelers can attest to the changing attitudes of Western Europeans toward the United States in recent decades.’
      • ‘Jill can attest to the rewards of having the courage to move on.’
      • ‘Several witnesses attested to the fact that the mother could adequately care for the children on her own.’
      • ‘Many highly trained professionals can attest to the irrelevance of evolutionary theory.’
      • ‘Numerous young professional players can attest to his tireless encouragement and invaluable expertise.’
      • ‘The patient must sign a written request in the presence of two witnesses attesting that the patient is competent and acting voluntarily.’
      • ‘Grey's products range from around $45 - $115, and those who have been using them for years can attest to their durability.’
      • ‘As a reporter who covered the Johnson Senate, I can attest it bears little resemblance to the Daschle Senate.’
      • ‘I know a few professors who can attest to this.’
      • ‘Reliable witnesses attest that she was as tough as nails.’
      • ‘Hence my appeal for witnesses who could attest that there were no warning signs in place.’
      • ‘Mr. Mason steps forward to attest as a witness that his sister, Bertha, is still alive.’
      • ‘I can attest to the absolute bureaucracy that is entailed when you go to apply for funding from any of the relevant statutory agencies.’
      • ‘Other witnesses, whose evidence the judge also accepted, attested to her reactions at that time and confirmed her evidence.’
      • ‘There was no shortage of character witnesses willing to attest to their integrity.’
      • ‘Many therapists and counseling professionals showed up to attest to the efficacy of the drug.’
      • ‘His family, not just George, can attest to his character.’
      • ‘Those traveling with me can attest to that fact.’
      • ‘I am a psychotherapist and can attest to the value of my field.’
      • ‘They obtained letters attesting to her good character.’
      • ‘Even opponents from his days in the Indiana Senate attest to his character and ability.’
      declare, maintain, contend, argue, state, claim, propound, submit, posit, postulate, adduce, move, advocate, venture, volunteer, aver, proclaim, announce, pronounce, affirm, protest, profess, swear, insist, avow
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    2. 1.2 Be a witness to; certify formally.
      ‘the witnesses must attest and sign the will in the testator's presence’
      • ‘Participants must be present at the venue with bona fide certificates attested by their school head master or principals.’
      • ‘Skaters desirous of taking part in trials should bring their birth certificates duly attested by principals of their respective schools.’
      • ‘They had no intention to verify or attest the Deceased's signature.’
      • ‘One has to produce a colour photograph of the family duly attested by the principal of the school.’
      • ‘Once the forms are signed, candidates have them attested by a gazetted officer before submitting them, in bulk, to the electoral registration officer.’
      certify, corroborate, confirm, verify, substantiate, document, authenticate, give proof of, provide evidence of, evidence, demonstrate, evince, display, exhibit, show, manifest, prove, endorse, back up, support, guarantee
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Origin

Early 16th century: from French attester, from Latin attestari, from ad- ‘to’ + testari ‘to witness’ (from testis ‘a witness’).

Pronunciation

attest

/əˈtɛst//əˈtest/