Same word as vitality:

animation, ardor, audacity, bang, being, bloom, bounce, clout, continuity, drive, endurance, existence, exuberance, fervor, force, get-up-and-go, go, guts, intensity, life, liveliness, lustiness, pep, pizzazz, power, pulse, punch, robustness, snap, sparkle, spunk, stamina, starch, steam, strength, stuff, venturesomeness, verve, vigor, vim, vivaciousness, vivacity, zest, zing, zip