Webster's Revised Unabridged Dictionary · 1913

Ability

Ability (ȧ*bil"i*ty) , noun

[French habileté, earlier spelling habilité (with silent h), Latin habilitas aptitude, ability, from habilis apt. See Able.]

The quality or state of being able; power to perform, whether physical, moral, intellectual, conventional, or legal; capacity; skill or competence in doing; sufficiency of strength, skill, resources, etc.; -- in the plural, faculty, talent.
Then the disciples, every man according to his ability, determined to send relief unto the brethren. — Acts xi. 29
Natural abilities are like natural plants, that need pruning by study. — Bacon
The public men of England, with much of a peculiar kind of ability. — Macaulay