EXUBERANCE
exuberance, enthusiasm, ebullience
(noun) overflowing with eager enjoyment or approval
exuberance
(noun) joyful enthusiasm
Source: WordNet® 3.1
Etymology
Noun
exuberance (countable and uncountable, plural exuberances)
(uncountable) The quality of being exuberant; cheerful or vigorous enthusiasm; liveliness.
An instance of exuberant behaviour.
An overflowing quantity; superfluousness.
Synonyms
• ebullience
Source: Wiktionary
Ex*u"ber*ance, n. Etym: [L. exuberantia: cf. F. exubérance.]
Definition: The state of being exuberant; an overflowing quantity; a
copious or excessive production or supply; superabundance; richness;
as, an exuberance of joy, of fancy, or of foliage.
Syn.
– Abundance; superabundance; excess; plenty; copiousness;
profusion; richness; overflow; overgrowth; rankness; wantonness. See
Abundance.
Source: Webster’s Unabridged Dictionary 1913 Edition