Definitions

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

  • transitive v. To prove the truth of by presentation of evidence or testimony; substantiate.
  • transitive v. To determine or test the truth or accuracy of, as by comparison, investigation, or reference: experiments that verified the hypothesis. See Synonyms at confirm.
  • transitive v. Law To affirm formally or under oath.
  • transitive v. Law To append a verification to (a pleading); conclude with a verification.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • v. To substantiate or prove the truth of something
  • v. To confirm or test the truth or accuracy of something
  • v. (law) To affirm something formally, under oath

from the GNU version of the Collaborative International Dictionary of English

  • transitive v. To prove to be true or correct; to establish the truth of; to confirm; to substantiate.
  • transitive v. To confirm or establish the authenticity of by examination or competent evidence; to authenticate.
  • transitive v. To maintain; to affirm; to support.

from The Century Dictionary and Cyclopedia

  • To prove to be true; confirm; establish the proof of.
  • To give the appearance of truth to.
  • To fulfil, as a promise; confirm the truth of, as a prediction.
  • To confirm the truthfulness of; prove to have spoken truth.
  • To confirm or establish the authenticity of, as a title or power, by examination or competent evidence.
  • To ascertain to be correct, or to correct if found erroneous: as, to verify a statement, quotation, reference, account, or reckoning of any kind; to verify the items of a bill, or the total amount.
  • To maintain; affirm.
  • To second or strengthen by aid; back; support the credit of.
  • In law: To make an affidavit regarding (a pleading or petition), and appended to it, that the statements in it are true.
  • To support by proof or by argument.

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

  • v. confirm the truth of
  • v. to declare or affirm solemnly and formally as true
  • v. attach or append a legal verification to (a pleading or petition)
  • v. check or regulate (a scientific experiment) by conducting a parallel experiment or comparing with another standard

Etymologies

Middle English verifien, from Old French verifier, from Medieval Latin vērificāre : Latin vērus, true; + Latin -ficāre, -fy.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From Old French verifier (French: vérifier), from Medieval Latin vērificāre, present active infinitive of vērificō ("make true"), from Latin vērus ("true") + faciō ("do, make"); see -fy. (Wiktionary)

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