[1] : The Collaborative International Dictionary of English v.0.48

playful \play"ful\, a.
   sportive; gamboling; frolicsome; indulging a sportive fancy;
   humorous; merry; as, a playful child; a playful writer. --
   play"fully, adv. -- play"fulness, n.
   1913 webster
see also:
play"fully play"fulness 

[2] : WordNet (r) 2.0

playfulness
     n 1: a festive merry feeling syn: gaiety
     2: a disposition to find or make causes for amusement; "her
        playfulness surprised me"; "he was fun to be with" syn: 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
see also:
gaiety fun merriment 

[3] : Moby Thesaurus II by Grady Ward, 1.0

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

Playfulness >> P Words
Playfulness, definition of term: Playfulness
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