assailant, n. assailer, aggressor, [assaulter], [antagonist].

assault, n. onset, onslaught, [charge], aggression, assailing, [invasion], incursion.

assault, v. [attack], [assail].

assaulter, n. [assailant].

assay, n. Associated words: docimology, docimacy, docimastic.

assemble, v. [convene], congregate, [gather], [meet]; [muster], convoke.

assembly, n. concourse, congregation, assemblage, [meeting]; [convention], [convocation], congress, synod, diet, [council], caucus, consistory, conclave, conventicle, conference; galaxy.

assent, n. [consent], [agreement], acquiescence, concurrence; placet. Antonyms: [dissent], declension.

assent, v. concur, acquiesce, concede, [yield], [consent]. Antonyms: [dissent], [refuse].

assert, v. [affirm], [state], [say], aver, predicate, asseverate, [maintain], [declare].