exuberance
US /ɪɡˈzuː.bɚ.əns/
UK /ɪɡˈzuː.bɚ.əns/

1.
the quality of being full of energy, excitement, and cheerfulness; ebullience.
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Her youthful exuberance was infectious.
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The team celebrated their victory with great exuberance.
2.
the quality of growing profusely; luxuriance.
:
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The exuberance of the tropical forest was breathtaking.
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The garden showed an exuberance of color and growth.