(n): having knowledge of
(n): the meaning of a word or expression; the way in which a word or expression or situation can be interpreted
(n): the message that is intended or expressed or signified
(n): the faculty through which the external world is apprehended
(n): one of the inherent cognitive or perceptual powers of the mind
(n): sound practical judgment
(n): the mental ability to understand and discriminate between relations
(n): a natural appreciation or ability
(n): understanding of the nature or meaning or quality or magnitude of something
(v): perceive by a physical sensation, e.g., coming from the skin or muscles
(v): to become aware of through the senses
(v): detect some circumstance or entity automatically
(v): discover or determine the existence, presence, or fact of
(v): become aware of not through the senses but instinctively
(v): become conscious of
(v): comprehend
(v): know and comprehend the nature or meaning of