sportiveness

from WordNet (r) 3.0 (2006)

sportiveness
    n 1: lively high-spirited playfulness [syn: {friskiness},
         {frolicsomeness}, {sportiveness}]

from The Collaborative International Dictionary of English v.0.48

Sportive \Sport"ive\ (-[i^]v), a.
   Tending to, engaged in, or provocative of, sport; gay;
   frolicsome; playful; merry.
   [1913 Webster]

         Is it I
         That drive thee from the sportive court? --Shak.
   [1913 Webster] -- {Sport"ive*ly}, adv. -- {Sport"ive*ness},
   n.
   [1913 Webster]