active, acute, adventuresome, adventurous, aggressive, ambitious, animated, aspiring, assiduous, audacious, bold, brave, brisk, busy, courageous, craving, daring, dashing, determined, diligent, driving, dynamic, eager, earnest, energetic, enthusiastic, foolhardy, forceful, forcible, full of pep, go-ahead, go-go, hard-working, hardworking, hearty, hungry, hustling, impetuous, incisive, indefatigable, industrious, intense, itching, keen, kinetic, lively, living, lusty, mettlesome, overbold, peppy, persevering, purposeful, purposive, pushful, pushing, pushy, resolute, resolved, resourceful, robust, smacking, snappy, spanking, spirited, strenuous, strong, take-charge, take-over, tireless, trenchant, up-and-coming, venturesome, venturous, vibrant, vigorous, vivacious, vivid, yearning, zealous, zestful, zesty, zippy