1. 
[syn: liveliness, life, spirit, sprightliness]
The Collaborative International Dictionary of English v.0.48:
Sprightliness \Spright"li*ness\ (-l[i^]*n[e^]s), n.
   The quality or state of being sprightly; liveliness; life;
   briskness; vigor; activity; gayety; vivacity.
   [1913 Webster]
         In dreams, observe with what a sprightliness and
         alacrity does she [the soul] exert herself! --Addison.
   [1913 Webster]
WordNet (r) 3.0 (2006):
sprightliness
    n 1: animation and energy in action or expression; "it was a
         heavy play and the actors tried in vain to give life to it"
         [syn: liveliness, life, spirit, sprightliness]