exuberance

The quality of being exuberant; cheerful or vigorous enthusiasm; liveliness.

Tottenham's desire for a win against a Norwich side playing with energy and exuberance made for an enthralling, end-to-end game.

The stock market found itself at a similar moment 29 years ago, when Alan Greenspan famously warned of “irrational exuberance” fueling a bubble in internet stocks. The S&P 500 had risen more than 60 percent in the two years before Mr. Greenspan’s speech.

An instance of exuberant behaviour.

An overflowing quantity; superfluousness.

an exuberance of branches in a plant

An abundance of wealth.