capacity

noun

1 the capacity of the freezer is 1.1 cubic feet:

volume, cubic measure;

size, dimensions, measurements, magnitude, proportions, amplitude;

room, space;

extent, range, scope, compass.

2 his capacity to inspire trust in others | the task was beyond my intellectual capacities:

ability, power, potential, potentiality;

competence, competency, proficiency, accomplishment, adeptness, aptitude, aptness, faculty, skill, skilfulness, talent, flair;

cleverness, intelligence;

gift, strong point, forte, knack;

experience;

informal know-how.

▷antonyms inability.

3 in his capacity as Commander-in-Chief of the Armed Forces:

position, post, job, office, appointment;

role, function.

capacity Oxford Dictionary of English