The noun reality has 4 senses (first 3 from tagged texts)
1. (21) world, reality -- (all of your experiences that determine how things appear to you; "his world was shattered"; "we live in different worlds"; "for them demons were as much a part of reality as trees were")
2. (14) reality, realness, realism -- (the state of being actual or real; "the reality of his situation slowly dawned on him")
3. (4) reality -- (the state of the world as it really is rather than as you might want it to be; "businessmen have to face harsh realities")
4. reality -- (the quality possessed by something that is real)