Definition of VISION

1a: the act or power of seeing 
b: the special sense by which the qualities of an object (such as color, luminosity, shape, and size) constituting its appearance are perceived through a process in which light rays entering the eye are transformed by the retina into electrical signals that are transmitted to the brain via the optic nerve
2a: something seen in a dream, trance, or ecstasyespecially : a supernatural appearance that conveys a revelation
b: a thought, concept, or object formed by the imagination
c: a manifestation to the senses of something immateriallook, not at visions, but at realities— Edith Wharton
3a: the act or power of imagination
b(1): mode of seeing or conceiving
(2): unusual discernment or foresighta person of vision
c: direct mystical awareness of the supernatural usually in visible form
4a: something seen
b: a lovely or charming sight