A unique power of the mind; a faculty.
A skill or competence in doing; mental power; talent; aptitude.
The quality or state of being able; capacity to do or of doing something; having the necessary power.
Physical power.
The legal wherewithal to act.
Brains; a person's ability to think.
A collection of cell bodies and (usually) dendritic connections, in contrast to white matter.
Literal brains as a general substance.