validating

(verb) declare or make legally valid. Synonyms: validate, formalize, formalise.

(verb) prove valid; show or confirm the validity of something. Synonyms: validate.

(verb) give evidence for. Synonyms: validate, corroborate.

(verb) make valid or confirm the validity of. Synonyms: validate. Example: "Validate a ticket."

(adj) serving to support or corroborate. Synonyms: collateral, confirmative, confirming, confirmatory, corroborative, corroboratory, substantiating, substantiative, validatory, verificatory, verifying. Example: "Collateral evidence."