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.
Intellectual ability; faculty of thinking, reasoning.
Humour, especially when clever or quick.
Sanity.
A person who tells funny anecdotes or jokes; someone witty.
The ability to think quickly; mental cleverness, especially under short time constraints.
Intelligence; common sense.