Synonyms and related words :
acknowledge, affirm, allege, announce, argue, assert, assert under oath, asseverate, assure, attest, aver, avouch, avow, be indicative of, be significant of, be symptomatic of, bear witness, bespeak, betoken, book, bring forward, call to witness, certify, characterize, connote, declare, demonstrate, denominate, denote, depone, depose, differentiate, disclose, display, entail, express, give evidence, give token, guarantee, highlight, hint, identify, indicate, involve, kiss the book, manifest, mark, mean, mount, note, point to, proclaim, prove, reveal, say, show, signify, stand for, state, suggest, swear, swear by bell, swear in, swear the truth, swear to, swear to God, swear to goodness, symptomatize, symptomize, take oath, vouch, vouchsafe, vow, warrant, witness