THESAURUS
playfulness
animal spirits, animation, capersomeness, coltishness, devilishness, devilment, devilry, deviltry, elan, elfishness, esprit, exuberance, flippancy, foolishness, friskiness, frivolity, frolicsomeness, gaiety, gamesomeness, gayness, gusto, heartiness, high spirits, impishness, levity, life, liveliness, merriment, mischief, mischievousness, piss and vinegar, prankishness, pranksomeness, puckishness, roguery, roguishness, rollicksomeness, rompishness, scampishness, skittishness, spirit, spiritedness, spirits, sportiveness, sprightliness, trickery, trickiness, verve, vigor, vim, vitality, vivacity, waggery, waggishness, youthful spirits, zest, zestfulness, zip