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verb (used with object), val·i·dat·ed, val·i·dat·ing.
  1. to make valid; substantiate; confirm: Time validated our suspicions.
  2. to give legal force to; legalize.
  3. to give official sanction, confirmation, or approval to, as elected officials, election procedures, documents, etc.: to validate a passport.
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Origin of validate

1640–50; < Medieval Latin validātus (past participle of validāre to make valid), equivalent to valid- (see valid) + -ātus -ate1
Related formsval·i·da·tion, nounval·i·da·tor, nounval·i·da·to·ry [val-i-duh-tawr-ee, -tohr-ee] /ˈvæl ɪ dəˌtɔr i, -ˌtoʊr i/, adjectivenon·val·i·da·tion, nounre·val·i·date, verb (used with object), re·val·i·dat·ed, re·val·i·dat·ing.re·val·i·da·tion, nounun·val·i·dat·ed, adjectiveun·val·i·dat·ing, adjective

Synonyms for validate

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Antonyms for validate

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for validate

ratify, certify, confirm, legalize, substantiate, legitimize, corroborate, verify, approve, endorse, justify, authorize, constitute, authenticate, okay, sanction, rubber-stamp

Examples from the Web for validate

Contemporary Examples of validate

Historical Examples of validate

  • Time moved on, and with it came the parish priest to validate the marriage.

    Mexico and its Religion

    Robert A. Wilson

  • This is all that is necessary to validate the use of images to be made in the sequel.

    The Analysis of Mind

    Bertrand Russell

  • Let there be no mistake about it: we have been brought here to validate that conclusion.

    Human Error

    Raymond F. Jones

  • The theory of value is to interpret, validate, and guide the theory of prices.

    Social Value

    B. M. Anderson

  • Thus Mary attempts to validate the situation and make it "by no means contrary to probability."


    Mary Wollstonecraft Shelley

British Dictionary definitions for validate


verb (tr)
  1. to confirm or corroborate
  2. to give legal force or official confirmation to; declare legally valid
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Derived Formsvalidation, nounvalidatory, 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 validate


1640s, from Latin validatus, from validus (see valid). Related: Validated; validating.

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Online Etymology Dictionary, © 2010 Douglas Harper