validate

[val-i-deyt]
verb (used with object), validated, validating.
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.

Origin:
1640–50; < Medieval Latin validātus (past participle of validāre to make valid), equivalent to valid- (see valid) + -ātus -ate1

validation, noun
validator, noun
validatory [val-i-duh-tawr-ee, -tohr-ee] , adjective
nonvalidation, noun
revalidate, verb (used with object), revalidated, revalidating.
revalidation, noun
unvalidated, adjective
unvalidating, adjective


1. authenticate, verify, prove.


1. disprove.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
validate (ˈvælɪˌdeɪt)
 
vb
1.  to confirm or corroborate
2.  to give legal force or official confirmation to; declare legally valid
 
vali'dation
 
n
 
'validatory
 
adj

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Etymonline
Word Origin & History

validate
1640s, from L. validatus, from validus (see valid). Related: Validated.
Online Etymology Dictionary, © 2010 Douglas Harper
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Example sentences
The thesis is validated learning: learning how to create a sustainable business.
Until recently, the system had only been validated in a laboratory in small
  batches.
Everybody wants to be validated as being good, they really do.
He pleaded guilty, and even though it wasn't to my crime, it was because of my
  crime-and that made me feel really validated.
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