an essential and distinguishing attribute of something or someone

(usually followed by `to') having the necessary means or skill or know-how or authority to do something

(usually followed by `to') not having the necessary means or skill or know-how

lacking the power to perform

(usually followed by `to') having the necessary means or skill or know-how or authority to do something

having inherent physical or mental ability or capacity

have the skills and qualifications to do things well

the ability to change (or be changed) to fit changed circumstances

the ability to respond to affective changes in your interpersonal environment

the quality of being adequately or well qualified physically and intellectually

an ability to perform well

(computer science) the ability to exchange and use information (usually in a large heterogeneous network made up of several local area networks)

(usually followed by `to') having the necessary means or skill or know-how or authority to do something

(usually followed by `to') not having the necessary means or skill or know-how