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[val-i-deyt] /ˈvæl ɪˌdeɪt/
verb (used with object), validated, validating.
to make valid; substantiate; confirm:
Time validated our suspicions.
to give legal force to; legalize.
to give official sanction, confirmation, or approval to, as elected officials, election procedures, documents, etc.:
to validate a passport.
Origin of validate
1640-50; < Medieval Latin validātus (past participle of validāre to make valid), equivalent to valid- (see valid) + -ātus -ate1
Related forms
validation, noun
validator, noun
[val-i-duh-tawr-ee, -tohr-ee] /ˈvæl ɪ dəˌtɔr i, -ˌtoʊr i/ (Show IPA),
nonvalidation, noun
revalidate, verb (used with object), revalidated, revalidating.
revalidation, noun
unvalidated, adjective
unvalidating, adjective
1. authenticate, verify, prove.
1. disprove. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for validate
Contemporary Examples
Historical Examples
  • 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."

    Mathilda Mary Wollstonecraft Shelley
British Dictionary definitions for validate


verb (transitive)
to confirm or corroborate
to give legal force or official confirmation to; declare legally valid
Derived Forms
validation, noun
validatory, 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
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Word Origin and History for validate

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

Online Etymology Dictionary, © 2010 Douglas Harper
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