lightheartedness

from WordNet (r) 3.0 (2006)
lightheartedness
    n 1: the cheerful feeling you have when nothing is troubling you
         [syn: {carefreeness}, {insouciance}, {lightheartedness},
         {lightsomeness}]
from The Collaborative International Dictionary of English v.0.48
Light-hearted \Light"-heart`ed\ (l[imac]t"h[aum]rt`[e^]d), a.
   Free from grief or anxiety; gay; cheerful; merry. --
   {Light"-heart`ed*ly}, adv. -- {Light"-heart`ed*ness}, n.
   [1913 Webster]
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