1. the quality of being able to perform; a quality that permits or facilitates achievement or accomplishment

Definition categories: attribute, quality

2. possession of the qualities (especially mental qualities) required to do something or get something done

Similar word(s): power

Definition categories: thought, cognition, knowledge, noesis

Sentences with ability as a noun:

- This phone has the ability to have its software upgraded wirelessly.

- This wood has the ability to fight off insects, fungus, and mold for a considerable time.

- They are persons of ability, who will go far in life.

- She has an uncanny ability to defuse conflict.