validate
VerbWordNet 3.0
Verb (4)
- declare or make legally validSynonyms: formalizeformalise
- prove valid; show or confirm the validity of something
- give evidence forSynonyms: corroborate
- make valid or confirm the validity of“validate a ticket”
Webster's Dictionary (GCIDE)
Validate \Val"i*date\, v. t. [See Valid.] To confirm; to render valid; to give legal force to. [1913 Webster]
The chamber of deputies . . . refusing to validate at once the election of an official candidate. --London Spectator. [1913 Webster]