playfulness

playfulness
    n 1: a festive merry feeling [syn: {gaiety}, {playfulness}]
    2: a disposition to find (or make) causes for amusement; "her
       playfulness surprised me"; "he was fun to be with" [syn:
       {playfulness}, {fun}]
    3: activities that are enjoyable or amusing; "I do it for the
       fun of it"; "he is fun to have around" [syn: {fun},
       {merriment}, {playfulness}]
    

Playful \Play"ful\, a.
   Sportive; gamboling; frolicsome; indulging a sportive fancy;
   humorous; merry; as, a playful child; a playful writer. --
   {Play"ful*ly}, adv. -- {Play"ful*ness}, n.
   [1913 Webster]
    

58 Moby Thesaurus words for "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