All 3 Uses

exuberant
in
1776, by McCullough
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Among the Virginia gentry who had taken up fox hunting with an exuberance no less than to be found on the country estates of England, Washington stood out.†
p. 47.9 *
"The finest day in the world," wrote an exuberant Archibald Robertson.†
p. 104.9
But the exuberance of the moment, or any thoughts that grand pronouncements and the toppling of symbolic monuments were sufficient to change the course of history, were quickly dashed in dramatic fashion three days later, on July 12.†
p. 138.1

Definitions:

(1) (exuberant)
full of energy and excitement
(2) (meaning too rare to warrant focus)
Less commonly, exuberance can refer to plants growing in extreme abundance.