birth, dash, glow, gust, life, pep, verve, vim, warmth, zest, zip
ardor, brio, briskness, elan, esprit, gayness, gusto, keenness, lifetime, living, mettle, moxie, pertness, pizzazz, promptness, quickness, sparkle, spirit, spirits, vigor
appetite, avidness, breeziness, bubbliness, coltishness, eagerness, ebullience, energy, existence, forwardness, friskiness, gaiety, gamesomeness, heartiness, impatience, impetus, liveliness, lustiness, peppiness, perkiness, piquancy, playfulness, poignancy, pungency, raciness, readiness, robustness, rompishness, skittishness, sportiveness, sprightliness, vividness, zestfulness
activity, alacrity, animation, anxiety, anxiousness, avidity, effervescence, exuberance, frolicsomeness, longevity, spiritedness, spriteliness, vitality, vivaciousness
capersomeness, enthusiasm, immortality, rollicksomeness, viability
impetuosity
