Verify
Verify (verb) /ˈver.ɪ.faɪ/
to prove that something is true or exists, confirm, make certain, attest, substantiate, validate, authenticate
My former manager’s letter of recommendation was sufficient to verify my qualification.
Antonym: disapprove
Noun: verification
Noun: verifier
Noun: verifiability
Adjective: verifiable
Adverb: verifiably
