The Oxford Thesaurus An A-Z Dictionary of Synonyms - vitalityn.

1) energy, life, life-force, vigour, power, intensity, force, liveliness,, vivacity, vivaciousness, animation, sparkle, spiritedness, exuberance, Colloq zing, pep, pizazz, oomph, get-up-and-go, zip, vim: My great-grandfather has the vitality of a forty-year-old. 2) stamina, hardiness, endurance, energy, strength, robustness: Does this society have the vitality needed to take it into the next decade?