1) Fairyland 2) Fantasy 1) Fancy 2) Fantasy 3) Illusion 4) Misconception 
• (n.) See Fantasy, and Fancy.
Phan'ta·sy noun See Fantasy , and Fancy . 
phantasy, fantasy 1. Imagination which is unrestricted by reality; especially, when extravagant and unrestrained. 2. Written fiction that has a large amount of fantasy in it. 3. Something many people believe which is false. 4. The forming of mental images; especially, wondrous or strange fancies; imaginative conceptualizing.
(in Scholasticism) The internal sense perceptive of objects, even of absent objects, previously pciceived by the external sense. The phantasm is the species of the object perceived by an internal sense and retained in the phantasy. -- H.G.