2.NounThe quality or state of being able; capacity to do or of doing something; having the necessary power.
"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."
3.NounThe legal wherewithal to act.
4.NounPhysical power.
5.NounFinancial ability.
6.NounA unique power of the mind; a faculty.
7.NounA skill or competence in doing; mental power; talent; aptitude.
"a mixed-ability class; They are persons of ability, who will go far in life.; She has an uncanny ability to defuse conflict."