[ ver-uh-fi-key-shuh n ]
/ ˌvɛr ə fɪˈkeɪ ʃən /


the act of verifying.
the state of being verified.
evidence that establishes or confirms the accuracy or truth of something: We could find no verification for his fantastic claims.
a formal assertion of the truth of something, as by oath or affidavit.
the process of research, examination, etc., required to prove or establish authenticity or validity.
Law. a short confirmatory affidavit at the end of a pleading or petition.

Nearby words

  1. veridical,
  2. veridically,
  3. veriest,
  4. verifiability principle,
  5. verifiable,
  6. verification principle,
  7. verified,
  8. verify,
  9. verily,
  10. verisimilar

Origin of verification

1515–25; < Medieval Latin vērificātiōn (stem of vērificātiō), equivalent to vērificāt(us) (past participle of vērificāre; see verify, -ate1) + -iōn- -ion

Related forms Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for preverification


/ (ˌvɛrɪfɪˈkeɪʃən) /


establishment of the correctness of a theory, fact, etc
evidence that provides proof of an assertion, theory, etc
  1. (formerly) a short affidavit at the end of a pleading stating the pleader's readiness to prove his assertions
  2. confirmatory evidence
Derived Formsverificative or verificatory, adjective

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for preverification



1520s, from Old French verificacion or directly from Medieval Latin *verificationem (nominative verificatio), noun of action from past participle stem of verificare (see verify). Middle English had verifiaunce (c.1400).

Online Etymology Dictionary, © 2010 Douglas Harper