talent
advantage
aptitude
ardor
ascendancy
asset
backbone
bravery
brawn
burliness
cogency
courage
courageousness
depth
dominance
durability
fervor
firmness
force
forcefulness
forte
fortitude
grit
hardiness
influence
intensity
mettle
might
muscle
muscularity
persuasiveness
pluck
pluckiness
potency
power
resilience
robustness
skill
solidity
soundness
spirit
strength
strength of character
sturdiness
supremacy
toughness
validity
vehemence
vigor
weight