(1):

(n.) Being within view or consideration, as a future event or contingency; relating to the future: expected; as, a prospective benefit.

(2):

(n.) Of or pertaining to a prospect; furnishing a prospect; perspective.

(3):

(n.) Looking forward in time; acting with foresight; - opposed to retrospective.

(4):

(n.) The scene before or around, in time or in space; view; prospect.

(5):

(n.) A perspective glass.