brio

from WordNet (r) 3.0 (2006)

brio
    n 1: quality of being active or spirited or alive and vigorous
         [syn: {animation}, {spiritedness}, {invigoration}, {brio},
         {vivification}]

from Moby Thesaurus II by Grady Ward, 1.0

30 Moby Thesaurus words for "brio":
      activity, animation, ardor, briskness, dash, elan, enthusiasm,
      esprit, glow, gusto, impetuosity, impetus, joie de vivre, life,
      liveliness, lustiness, mettle, oomph, perkiness, pertness,
      robustness, spirit, spiritedness, verve, vim, vivacity, warmth,
      zest, zestfulness, zing