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From Middle French attester, from Latin attestor ‎(to witness to, bear witness), from at-, combining form of ad ‎(to) + testor ‎(to bear witness), from testis ‎(a witness).



attest ‎(third-person singular simple present attests, present participle attesting, simple past and past participle attested)

  1. To affirm to be correct, true, or genuine.
    When will the appraiser attest the date of the painting?
    • Addison
      facts [] attested by particular pagan authors
    • 1599Shakespeare, Henry V iii 1 (Act ii in First Folio edition)
      Dishonour not your Mothers: now attest that those whom you call'd Fathers, did beget you.
  2. To certify by signature or oath
    You must attest your will in order for it to be valid.
  3. To certify in an official capacity.
  4. To supply or be evidence of
    Her fine work attested her ability.
    • 1992, Rudolf M. Schuster, The Hepaticae and Anthocerotae of North America: East of the Hundredth Meridian, volume V, page viii
      The supplementary bibliography (in Vol. VI) attests to the comprehensiveness of the effort.
    • 1599Shakespeare, Henry V Prologue (First Folio edition)
      O pardon : since a crooked Figure may / Attest in little place a Million, / And let us, Cyphers to this great Accompt, / On your imaginarie Forces worke.
  5. To put under oath.
  6. To call to witness; to invoke.
    • Dryden
      The sacred streams which Heaven's imperial state / Attests in oaths, and fears to violate.

Derived terms[edit]


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See also[edit]

External links[edit]


Dutch Wikipedia has an article on:

Wikipedia nl


  • (file)
  • Hyphenation: at‧test


attest n ‎(plural attesten, diminutive attestje n)

  1. certificate, attestation




attest c

  1. certification, authorization; certificate


Inflection of attest 
Singular Plural
Indefinite Definite Indefinite Definite
Nominative attest attesten attester attesterna
Genitive attests attestens attesters attesternas

Related terms[edit]