v. 25B6; verb CONFIRM, verify, endorse, ratify, authenticate, validate, certify; support, back up, uphold, bear out, bear witness to, attest to, testify to, vouch for, give credence to, substantiate, sustain.
contradict.
CORROBORATE
Meaning of CORROBORATE in English
Concise Oxford thesaurus English vocabulary. Краткий оксфордский словарь английского языка тезаурус. 2012