Words related to persuasive

persuasion (n.)

late 14c., persuasioun, "action of inducing (someone) to believe (something) by appeals to reason (not by authority, force, or fear); an argument to persuade, inducement," from Old French persuasion (14c.) and directly from Latin persuasionem (nominative persuasio) "a convincing, persuading," noun of action from past-participle stem of persuadere "persuade, convince," from per "thoroughly, strongly" (see per) + suadere "to urge, persuade," from PIE root *swād- "sweet, pleasant" (see sweet (adj.)).

Meaning "state of being convinced" is from 1530s; that of "religious belief, creed" is from 1620s. Colloquial or humorous sense of "kind, sort, nationality" is by 1864.

persuadable (adj.)

1520s, "having the quality of persuading" (a sense now obsolete); 1590s, "capable of being persuaded or prevailed upon," from persuade + -able. Fowler recommends this over the older adjective, persuasible (c. 1400). Related: Persuadableness.

assuasive (adj.)
"mitigating, soothing," 1708, probably from assume on model of persuasive, etc.
unpersuasive (adj.)
1748, from un- (1) "not" + persuasive (adj.). Related: Unpersuasively.