Synonyms and related words :
activity, actuation, afflatus, aggravation, agitation, alacrity, animal spirits, animate existence, animating spirit, animus, anxiety, anxiousness, appetite, ardency, ardor, arousal, arousing, avidity, avidness, being alive, birth, breathless impatience, breeziness, brio, briskness, bubbliness, capersomeness, cheerful readiness, coltishness, dash, direction, divine afflatus, dynamism, eagerness, ebullience, effervescence, elan, electrification, energizing, energy, enlivening, enlivenment, enthusiasm, esprit, exacerbation, exasperation, excitation, excitement, exhilaration, existence, exuberance, fervor, fire, firing, fomentation, forwardness, friskiness, frolicsomeness, gaiety, galvanization, gamesomeness, gayness, genius, glow, gust, gusto, having life, heartiness, immortality, impatience, impetuosity, impetus, incitement, infection, inflammation, influence, infuriation, infusion, inner-direction, inspiration, intensity, invigoration, irritation, joie de vivre, keen desire, keenness, lathering up, life, lifetime, liveliness, living, long life, longevity, lustiness, mettle, motivation, moving, moving spirit, moxie, oomph, other-direction, pep, peppiness, perkiness, pertness, perturbation, piss and vinegar, pizzazz, playfulness, prompting, promptness, provocation, quickening, quickness, readiness, revitalization, revival, robustness, rollicksomeness, rompishness, skittishness, spirit, spiritedness, spirits, sportiveness, sprightliness, spriteliness, steaming up, stimulation, stimulus, stirring, stirring up, verve, viability, vigor, vim, vitality, vitalization, vivaciousness, vivacity, vivification, warmth, whipping up, working up, zest, zestfulness, zing, zip,