Exuberance

[Sarah]

The state of being exuberant; an overflowing quantity; acopious or excessive production or supply; superabundance; richness;as, an exuberance of joy, of fancy, or of foliage.

[Sarah]

Full of enthusiasm: Full of happy high spirits and vitality.

Abundant: growing in great abundance or profusion.

Lavish: Lavish or elaborate, often to the point of being excessive.

[Jessica]

The quality of being full of energy, excitement, and cheerfulness; ebullience.