(a.) Powerful; strong; mighty\; forcible; as, a puissant prince or empire.

absolute armipotent ascendant authoritarian authoritative authorized autocratic beefy bouncing clothed with authority cogent commanding competent consequential considerable controlling dominant doughty duly constituted dynamic effective eminent empowered energetic ex officio forceful forcible forcy full-blooded full-strength governing great gutsy gutty hale hard hard as nails hardy hearty hefty hegemonic hegemonistic high-potency high-powered high-pressure high-tension husky imperative important in force in power influential iron-hard irresistible leading lusty mighty mighty in battle momentous monocratic nervy obstinate official operative potent powerful preeminent prepotent prestigious prominent ranking red-blooded robust robustious rugged ruling senior stalwart steely stout strapping striking strong strong as brandy strong as strong strong-willed sturdy substantial superior supreme telling totalitarian valid vigorous vital weighty