[ver-uh-fi-key-shuh n]
See more synonyms for verification on
  1. the act of verifying.
  2. the state of being verified.
  3. evidence that establishes or confirms the accuracy or truth of something: We could find no verification for his fantastic claims.
  4. a formal assertion of the truth of something, as by oath or affidavit.
  5. the process of research, examination, etc., required to prove or establish authenticity or validity.
  6. Law. a short confirmatory affidavit at the end of a pleading or petition.

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 formsver·i·fi·ca·tive, ver·i·fi·ca·to·ry, adjectivenon·ver·i·fi·ca·tion, nounpre·ver·i·fi·ca·tion, nounre·ver·i·fi·ca·tion, nounun·ver·i·fi·ca·tive, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for verification

Contemporary Examples of verification

Historical Examples of verification

British Dictionary definitions for verification


  1. establishment of the correctness of a theory, fact, etc
  2. evidence that provides proof of an assertion, theory, etc
  3. law
    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 verification

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