Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • transitive verb To establish the authenticity of; prove genuine: synonym: confirm.

from The Century Dictionary.

  • To render authentic; give authority to by the proof, attestation, or formalities required by law or sufficient to entitle to credit.
  • To prove authentic; establish as correct or genuine.
  • To establish as true or worthy of belief: as, to authenticate a statement.
  • Authenticated.

from the GNU version of the Collaborative International Dictionary of English.

  • transitive verb To render authentic; to give authority to, by the proof, attestation, or formalities required by law, or sufficient to entitle to credit.
  • transitive verb To prove authentic; to determine as real and true.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • verb To render authentic; to give authority to, by the proof, attestation, or formalities required by law, or sufficient to entitle to credit.
  • verb To prove authentic; to determine as real and true; as, to authenticate a portrait.

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

  • verb establish the authenticity of something

Etymologies

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Examples

  • Therefore, we call authenticate and allow an ugly override for edge cases:

    GIANT ROBOTS SMASHING INTO OTHER GIANT ROBOTS - Home 2009

  • And she says she can't prove or authenticate, which is shameful for someone who has won the kind of distinction she has in the past.

    CNN Transcript Nov 9, 2005 2005

  • You are allowed to feel the way you want but this incident will not "authenticate" it.

    Police group: Obama should apologize 2009

  • Even barber shops carry bogus certificates given to them by their mothers, I am sure which "authenticate" their being the "very best barbers" in the world.

    Sunday, July 31, 2005 As'ad 2005

  • I also think you misinterpreted the word "authenticate", as did many reporters.

    CNN Transcript Dec 27, 2005 2005

  • And I also think you misinterpreted the word "authenticate," as did many reporters.

    CNN Transcript Nov 10, 2005 2005

  • You used the word "authenticate" as if it meant 100 percent assurance, which is really -- that's really what it means.

    CNN Transcript Nov 13, 2005 2005

  • All users must "authenticate" through their real-world Facebook profile, providing the company with actual names and personal information in case of a defamatory post.

    TIME.com: Top Stories 2010

  • All users must "authenticate" through their real-world Facebook profile, providing the company with actual names and personal information in case of a defamatory post.

    TIME.com: Top Stories 2010

  • All users must "authenticate" through their real-world Facebook profile, providing the company with actual names and personal information in case of a defamatory post.

    TIME.com: Top Stories 2010

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