Same word as vibrancy:

action, ardor, bounce, brio, briskness, buoyancy, dash, dynamism, ebullience, elation, energy, enthusiasm, esprit, excitement, exhilaration, fervor, gaiety, high spirits, life, oomph, passion, pep, sparkle, spirit, sprightliness, verve, vibrancy, vigor, vim, vitality, vivacity, zap, zeal, zest, zing, zip, �lan