(a.) Alt. of Energetical.

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