having great power or force or potency or effect; "the most powerful government in western Europe"; "his powerful arms"; "a powerful bomb"; "the horse's powerful kick"; "powerful drugs"; "a powerful argument"
abounding in or given to pompous or aphoristic moralizing; "too often the significant episode deteriorates into sententious conversation"- Kathleen Barnes
characterized by or full of force or strength (often but not necessarily physical); "a forceful speaker"; "a forceful personality"; "forceful measures"; "a forceful plan for peace"
very lively and profitable; "flourishing businesses"; "a palmy time for stockbrokers"; "a prosperous new business"; "doing a roaring trade"; "a thriving tourist center"; "did a thriving business in orchids"