VALIDATOR

[val-i-deyt]

val·i·date

[val-i-deyt]
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.

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

val·i·da·tion, noun
val·i·da·tor, noun
val·i·da·to·ry [val-i-duh-tawr-ee, -tohr-ee] , adjective
non·val·i·da·tion, noun
re·val·i·date, verb (used with object), re·val·i·dat·ed, re·val·i·dat·ing.
EXPAND
re·val·i·da·tion, noun
un·val·i·dat·ed, adjective
un·val·i·dat·ing, adjective
COLLAPSE


1. authenticate, verify, prove.


1. disprove.

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Validator is always a great word to know.
So is ninnyhammer. Does it mean:
a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.
a fool or simpleton; ninny.
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