aliveness

noun

1. (uncountable, usually)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.”

   “[…] her eyes betrayed a complicated totality of paradoxical alivenesses.”

   “Sea-water wet their feet, wind tossed their hair, excitement quivered in every fibre of their aliveness.”