Mental ability; the power to learn
A measure of such ability; volume
The maximum amount that can be held
Electrical capacitance.
Legal authority (to make an arrest for example)
The maximum that can be produced.
The ability to hold, receive, or absorb
The maximum that can be produced on a machine or in a facility or group.
A role; the position in which one functions
Capability; the ability to perform some task
A faculty; the potential for growth and development
Filling the allotted space.
How old one appears to be based solely on mental ability and function.