one of the inherent cognitive or perceptual powers of the mind
source: WordNet 3.0
the body of teachers and administrators at a school
The dean addressed the letter to the entire staff of the university.
source: WordNet 3.0
Ability to act or perform, whether inborn or cultivated; capacity for any natural function; especially, an original mental power or capacity for any of the well-known classes of mental activity; psychical or soul capacity; capacity for any of the leading kinds of soul activity, as knowledge, feeling, volition; intellectual endowment or gift; power; as, faculties of the mind or the soul.