Intellect.
A part of the brain, especially associated with particular mental functions, abilities, etc.
Mind.
A loose compartment of a backpack that straps on over the top opening.
An intellectual or mental capacity.
A person who provides the intelligence required for something.
By analogy with a human brain, the part of a machine or computer that performs calculations.
Oral sex.
An intelligent person.
The control center of the central nervous system of an animal located in the skull which is responsible for perception, cognition, attention, memory, emotion, and action.
To strike (someone) on the head.
To destroy; to put an end to.
To dash out the brains of; to kill by smashing the skull.
Knowledge; the state of knowing.
Knowledge; the state of knowing; now confined to the fixed phrase ‘in the know’
To perceive the truth or factuality of; to be certain of or that.
To experience.
To understand or have a grasp of through experience or study.
To be or become aware or cognizant.
To be able to play or perform (a song or other piece of music).
To be acquainted or familiar with; to have encountered.
To be aware of; to be cognizant of.
To recognize as the same (as someone or something previously encountered) after an absence or change.
To have knowledge; to have information, be informed.