from The American Heritage® Dictionary of the English Language, 4th Edition

  • transitive v. To affirm to be correct, true, or genuine: The date of the painting was attested by the appraiser.
  • transitive v. To certify by signature or oath: attest a will.
  • transitive v. To certify in an official capacity.
  • transitive v. To supply or be evidence of: Her fine work attests her ability. See Synonyms at indicate.
  • transitive v. To put under oath.
  • intransitive v. To bear witness; give testimony: attested to their good faith.
  • n. Archaic Attestation.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • v. To affirm to be correct, true, or genuine.
  • v. To certify by signature or oath
  • v. To certify in an official capacity.
  • v. To supply or be evidence of
  • v. To put under oath.

from the GNU version of the Collaborative International Dictionary of English

  • n. Witness; testimony; attestation.
  • transitive v. To bear witness to; to certify; to affirm to be true or genuine.
  • transitive v. To give proof of; to manifest.
  • transitive v. To call to witness; to invoke.

from The Century Dictionary and Cyclopedia

  • To bear witness to; certify; affirm to be true or genuine; declare the truth of in words or writing; especially, affirm in an official capacity: as, to attest the truth of a writing; to attest a copy of a document.
  • To make evident; vouch for; give proof or evidence of; manifest.
  • To call to witness; invoke as knowing or conscious.
  • To put upon oath; swear in.
  • To bear witness; make an attestation: with to: as, to attest to a statement or a document.
  • n. Witness; testimony; attestation.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • v. give testimony in a court of law
  • v. provide evidence for; stand as proof of; show by one's behavior, attitude, or external attributes
  • v. authenticate, affirm to be true, genuine, or correct, as in an official capacity
  • v. establish or verify the usage of


from The American Heritage® Dictionary of the English Language, 4th Edition

Latin attestārī : ad-, ad- + testārī, to be witness (from testis, witness; see trei- in Indo-European roots).

from Wiktionary, Creative Commons Attribution/Share-Alike License

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").


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