ETYM Latin sensus, from sentire, sensum, to perceive, to feel, from the same root as Eng. send; cf. Old High Germ. sin sense, mind, sinnan to go, to journey, German sinnen to meditate, to think: cf. French sens.
In mathematics, the orientation of a vector. Each vector has an equivalent vector of the opposite sense. The combined effect of two vectors of opposite sense is a zero vector.
(Homonym: cents, scent).
1. A general conscious awareness.
2. A natural appreciation.
3. The faculty through which the external world is apprehended; SYN. sensation, sentience, sentiency, sensory faculty.
4. The meaning of a word or expression; or.
5. What one must know in order to determine the reference of an expression; SYN. intension, connotation.

1. To perceive by the senses; to recognize.
2. To feel
3. To become aware of