Life
activity
adaptability
alacrity
animal spirits
animate existence
animation
anxiety
anxiousness
appetite
ardency
ardor
avidity
avidness
being alive
birth
bite
bounce
bounciness
breathless impatience
breeziness
brio
briskness
bubbliness
buoyance
buoyancy
capersomeness
cheerful readiness
coltishness
dash
eagerness
ebullience
ecstasy
effervescence
elan
elasticity
energy
enthusiasm
esprit
excitement
existence
extensibility
exuberance
fervency
fervidness
fervor
fire
amiability
brilliancy
cheerfulness
cleverness
docility
drollery
fluency
frankness
freshness
lightness
naturalness
originality
perspicuity
piquancy
quickness
sprightliness
vigor
vivacity
vividness