Synonyms and related words :
active, acute, aggressive, alert, animated, antic, brisk, burning, capersome, catty, coltish, curried, dynamic, energetic, enterprising, enthusiastic, exuberant, forceful, forcible, frisky, frolicsome, full of beans, full of pep, gamesome, gay, go-go, hearty, high-seasoned, hot, hot as pepper, impetuous, incisive, intense, keen, kinetic, lively, living, lusty, mettlesome, nimble, nippy, peppery, peppy, playful, racy, ready, robust, rollicking, rollicksome, rompish, seasoned, skittish, smacking, snappy, spanking, spiced, spicy, spirited, sportive, sprightly, spry, strenuous, strong, take-charge, take-over, tangy, trenchant, vibrant, vigorous, vital, vivacious, vivid, with a kick, zestful, zesty