Synonyms and related words :
active, acute, aggressive, animated, brisk, consonant, dynamic, energetic, enterprising, enthusiastic, forceful, forcible, full, full of pep, go-go, hearty, impetuous, incisive, intense, keen, kinetic, lively, living, lusty, mellow, mettlesome, orotund, peppy, plangent, pulsing, resonant, resonating, resounding, rich, ringing, robust, rolling, rotund, round, smacking, snappy, sonorous, spanking, spirited, strenuous, strong, take-charge, take-over, throbbing, trenchant, vibrating, vigorous, vivacious, vivid, zestful, zesty, zippy