official permission or approval; "authority for the program was renewed several times"
the power or right to give orders or make decisions; "he has the authority to issue warrants"; "deputies are given authorization to make arrests"; "a place of potency in the state"
an authoritative written work; "this book is the final authority on the life of Milton"
an expert whose views are taken as definitive; "he is an authority on corporate law"
(usually plural) persons who exercise (administrative) control over others; "the authorities have issued a curfew"
a system of means and activities whereby a social institution functions; "the complex machinery of negotiation"; "the machinery of command labored and brought forth an order"
take the place or move into the position of; "Smith replaced Miller as CEO after Miller left"; "the computer has supplanted the slide rule"; "Mary replaced Susan as the team's captain and the highest-ranked player in the school"
a specified function; "he was employed in the capacity of director"; "he should be retained in his present capacity at a higher salary"
the maximum production possible; "the plant is working at 80 per cent capacity"
tolerance for alcohol; "he had drunk beyond his capacity"
ability to perform or produce
the power to learn or retain knowledge; in law, the ability to understand the facts and significance of your behavior
(computer science) the amount of information (in bytes) that can be stored on a disk drive; "the capacity of a hard disk drive is usually expressed in megabytes"
the amount that can be contained; "the gas tank has a capacity of 12 gallons"