Definition: alluringly lively, playfully active, spirited in temper or conduct; sprightly; pizzazzful

Derivation: Latin, “long-lived”

Synonym: brio (Italian, “vivacity of style”)

• Reminiscent of the radiant shadings of a sunset, Tangerine Tango marries the vivaciousness and adrenaline rush of red with the friendliness and warmth of yellow, to form a high-visibility, magnetic hue that emanates heat and energy. — Leatrice Eiseman (~1960’s-) American color specialist
• In many ways, the physical dimension of life becomes less important as the soul enlarges. In my late twenties, I was astonished by the elders with whom I began to spend most of my professional time – how vivacious so many of them were, once I looked beyond my negative bias. — Wendy Lustbader M.S.W., Life Gets Better: The Unexpected Pleasures of Growing Older {2011}