vivaciousness

air animation ardor backbone boldness bounce breath brio character courage dash dauntlessness disposition earnestness energy enterprise enthusiasm esprit essence fire force frame of mind gameness grit guts heart humor jazz life life force liveliness mettle mood morale motivation nerve oomph outlook pertness psyche quality resolution resolve sparkle spunk stoutheartedness substance temper temperament tenor verve vigor vim vital spark vitality vivacity warmth will willpower zest zip élan