Synonyms and related words :
active, activist, activistic, acute, aggressive, alive, animated, ardent, armipotent, assiduous, authoritative, bouncing, bouncy, breezy, brisk, bubbly, chipper, cogent, diligent, dynamic, ebullient, effective, effervescent, enterprising, enthusiastic, fervent, forceful, forcible, frisky, full of beans, full of go, full of life, full of pep, go-go, hard, hardworking, hearty, high-potency, high-powered, high-pressure, high-tension, hot, impetuous, in force, in power, incisive, indefatigable, industrious, intense, invigorated, irresistible, keen, kinetic, laborious, live, lively, living, lusty, mercurial, mettlesome, mighty, mighty in battle, militant, never idle, operative, peppy, perky, pert, potent, powerful, prepotent, puissant, quicksilver, relentless, robust, ruling, sedulous, sleepless, smacking, snappy, spanking, spirited, sprightly, spry, strenuous, striking, strong, take-charge, take-over, telling, tireless, trenchant, unflagging, unremitting, unsleeping, unsparing, untiring, unwearied, valid, vehement, vibrant, vigorous, vital, vivacious, vivid, zealous, zestful, zesty, zingy, zippy