Definition of "verify"

verify

/ˈvɛɹɪfaɪ/

verb
third-person singular simple present verifies, present participle verifying, simple past and past participle verified
1. (transitive) To substantiate or prove the truth of something.
2. (transitive) To confirm or test the truth or accuracy of something.
  Quotations
  In comparison, it takes about a minute to save, rewind and manually verify a similar file on a cassette.
  1984, InfoWorld, volume 6, number 14, page 67
3. (transitive, law) To affirm something formally, under oath.