Persuasive

Part of speech: noun (n.)

That which persuades; an inducement; an incitement; an exhortation. -- Per*sua"sive*ly, adv. -- Per*sua"sive*ness, n.

Part of speech: adjective (a.)

Tending to persuade; having the power of persuading; as, persuasive eloquence. "Persuasive words." Milton.