sua·sive I. \ˈswās]iv, ]ēv also -āz] or ]əv\adjective Etymology: Latin suasus (past participle) + English -ive : tending to persuade : having a capacity for persuading : persuasive < a suasive speaker > < suasive eloquence > • sua·sive·ly\]ə̇vlē, -li\adverb • sua·sive·ness\]ivnə̇s, ]ēv- also ]əv-\noun-es II. noun (-s) : something (as a force, speech, or influence) that exerts a suasive effect