Etymology: Middle English capacite, from Middle French capacité, from Latin capacitat-, capacitas, from capac-, capax
Date: 15th century
1: legal competency or fitness <capacity to stand trial> 2 a: the potential or suitability for holding, storing, or accommodating <a large seating capacity>b: the maximum amount or number that can be contained or accommodated <a jug with a one-gallon capacity><the auditorium was filled to capacity> — see metric system table, weight table 3 a: an individual's mental or physical ability :aptitude, skillb: the faculty or potential for treating, experiencing, or appreciating <capacity for love> 4:duty, position, role<will be happy to serve in any capacity> 5: the facility or power to produce, perform, or deploy :capability<a plan to double the factory's capacity>; also: maximum output <industries running at three-quarter capacity> 6 a:capacitanceb: the quantity of electricity that a battery can deliver under specified conditions