aliveness

noun

energy/animation/vigor (quality/fact of being alive)

Wiktionary

Pronunciation: /əˈlaɪvnəs/

noun

Etymology: Etymology tree Proto-Indo-European *h₂en-der. Proto-Germanic *an Proto-West Germanic *ana Old English on Proto-Indo-European *leyp- Proto-Germanic *lībanąder. Proto-Germanic *lībą Proto-West Germanic *līb Old English līfder. Old English līfe Old English on līfe Middle English alyve English alive Proto-Germanic *-inōną Proto-Indo-European *-dyé- Proto-Germanic *-atjaną Proto-Indo-European *-tus Proto-Germanic *-þuz Proto-Germanic *-assuz Proto-Germanic *-inassuz Proto-West Germanic *-nassī Old English -nes Middle English -nesse English -ness English aliveness From alive + -ness.

The state of being alive; exuberance, intensity.
“the aliveness of the colours in a painting”
“[…] she's such a perplexing mixture of old New England and modernity, of a fatalism, and an aliveness that fairly vibrates.”