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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. 2017.
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Examples from the Web for validation
Contemporary Examples
Historical Examples
  • This associated the function of dissemination through language to the function of validation in the pragmatic context.

  • Is validation of this type of experimentation a subject of language?

  • The banker's validation of the plan may be an essential factor in its value.

    The Value of Money Benjamin M. Anderson, Jr.
  • "Ah, well, I will look after this validation myself," said the minister sharply.

    The Nabob Alphonse Daudet
  • Everything depended on the validation, on the turning up of a card.

    The Nabob Alphonse Daudet
British Dictionary definitions for validation


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 validation

1650s, noun of action from validate.



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

Online Etymology Dictionary, © 2010 Douglas Harper
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validation in Technology

The stage in the software life-cycle at the end of the development process where software is evaluated to ensure that it complies with the requirements.

The Free On-line Dictionary of Computing, © Denis Howe 2010
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