adaptability
airiness
ascent
bounce
bounciness
breeziness
bubbliness
buoyance
carefreeness
cheerfulness
chirpiness
daintiness
debonairness
delicacy
downiness
effervescence
elasticity
ethereality
extensibility
exuberance
flexibility
floatability
fluffiness
foaminess
frothiness
gentleness
give
gossameriness
jauntiness
lack of weight
levitation
levity
light heart
lightheartedness
lightness
lightsomeness
liveliness
perkiness
pertness
rebound
resilience
resiliency
responsiveness
snap
softness
sprightliness
spring
springiness
stretch
Life
blitheness
inclination
spirit
tendency
weightlessness
buoy
buoy up
buoyant
alacrity
alertness
animation
boldness
brilliancy
clearness
gayety
hopefulness
joyousness
light-heartedness
openness
optimism
quickness
spontaneity
vigor
vivacity