VALIDATE
validate
(verb) make valid or confirm the validity of; “validate a ticket”
validate
(verb) prove valid; show or confirm the validity of something
validate, corroborate
(verb) give evidence for
validate, formalize, formalise
(verb) declare or make legally valid
Source: WordNet® 3.1
Verb
validate (third-person singular simple present validates, present participle validating, simple past and past participle validated)
(transitive) To render valid.
(transitive) To check or prove the validity of; verify.
(ergative) To have its validity successfully proven.
Antonyms
• disprove
• invalidate
Source: Wiktionary
Val"i*date, v. t. Etym: [See Valid.]
Definition: To confirm; to render valid; to give legal force to.
The chamber of deputies . . . refusing to validate at once the
election of an official candidate. London Spectator.
Source: Webster’s Unabridged Dictionary 1913 Edition