Synonyms and related words :
aggressiveness, animal spirits, animation, bang, breeziness, briskness, bubbliness, capersomeness, coltishness, dash, drive, ebullience, effervescence, elan, energy, enterprise, esprit, exuberance, fire, friskiness, frolicsomeness, gaiety, gamesomeness, gayness, get-up-and-go, ginger, gusto, heartiness, initiative, kick, life, liveliness, moxie, pep, pepper, peppiness, pizzazz, playfulness, poop, punch, push, rollicksomeness, rompishness, skittishness, snap, spirit, spiritedness, spirits, sportiveness, sprightliness, spunk, starch, thrust, verve, vigor, vim, vitality, vivaciousness, vivacity, zest, zestfulness, zing, zip