Synonyms and related words :
acknowledge, affirm, affirmance, affirmation, allegation, allege, and candle, announcement, annunciation, assert under oath, assertion, asseverate, asseveration, assure, attest, aver, averment, avouch, avouchment, avow, avowal, back up, bear witness, book, certify, conclusion, confirm, corroborate, countersign, creed, declaration, depone, depose, dictum, disclose, endorse, enunciation, give evidence, guarantee, ipse dixit, kiss the book, make a promise, manifesto, pledge, plight, position, position paper, positive declaration, predicate, predication, proclamation, profession, promise, pronouncement, proposition, protest, protestation, prove, say, say-so, saying, sponsor, stance, stand, statement, substantiate, support, swear, swear by bell, swear the truth, swear to, swear to God, swear to goodness, testify, troth, underwrite, uphold, utterance, verify, vouch for, vow, warrant, witness, word