appositeness
appropriateness
bent
bump
docility
expediency
faculty
fitness
flair
genius
head
helpfulness
knack
meetness
order
proneness
propensity
propitiousness
propriety
rightness
suitability
suitableness
talent
tendency
turn
disposition
adroitness
attractiveness
cleverness
distinctness
erudition
fleetness
fluency
justness
lucidity
nimbleness
perspicuity
pliancy
precocity
quickness
sharpness
sprightliness
stamina
suppleness
terseness
versatility
vivacity
vividness