Synonyms of assert

1 Syllable
speak, claim, stress, vouch, cued, cuing, swears, cite, press, say, swear
2 Syllables
exclaims, spitball, swore, avers, avow, defend, vouching, protest, warrant, vented, exclaim, chinning, vouched, contend, insist, aver, proclaim, profess, propound, reassert, avouch, venting, spake, spoke, uphold, chinned, claiming, radioing, claimed, sware, argue, affirm, radioed, affirms, attest, state, confess
3 Syllables
advance, warranting, expresses, allege, attesting, exclaimed, insisted, challenged, reasserting, declaring, reasserted, uttering, protesting, justifies, justified, testified, confessing, challenging, propounded, averred, exclaiming, justify, testifying, pronounce, propounding, justifying, testify, betokens, confessed, affirming, notify, averring, attested, declare, expressed, affirmed, expressing, proposing, insisting, notifying, notified, betoken, tokened, commented, protested
4 Syllables
betokening, intonating, betokened, yakkety-yak, emphasizing, emphasize, vindicated, emphasized, postulate, disculpate, vindicate, postulating, intimated, intimating, postulated, vindicating, asservate, allegate, intonate, predicate
5 Syllables
italicized, italicizing, italicize