WordNet (r) 3.0 (2006):

joie de vivre
    n 1: a keen enjoyment of living

Moby Thesaurus II by Grady Ward, 1.0:

62 Moby Thesaurus words for "joie de vivre":
   activity, amusement, animal pleasure, animation, ardor,
   bodily pleasure, brio, briskness, carnal delight, comfort, content,
   contentment, coziness, creature comforts, ease, elan, endpleasure,
   enjoyment, entertainment, enthusiasm, euphoria, forepleasure,
   fruition, fun, glow, gratification, great satisfaction, gusto,
   hearty enjoyment, impetuosity, impetus, intellectual pleasure,
   keen pleasure, kicks, life, liveliness, lustiness, luxury, mettle,
   perkiness, pertness, physical pleasure, pleasure, quiet pleasure,
   relish, robustness, satisfaction, self-gratification,
   self-indulgence, sensual pleasure, sensuous pleasure,
   sexual pleasure, spirit, spiritedness, sweetness of life,
   titillation, vivacity, voluptuousness, warmth, well-being, zest,
   zestfulness