
1) Fairyland 2) Fantasy world 3) Phantasy world
Found on
https://www.crosswordclues.com/clue/paracosm

A paracosm is a detailed imaginary world created inside one`s mind. This fantasy world may involve humans, animals, and things that exist in reality; or it may also contain entities that are entirely imaginary, alien, and otherwordly. Commonly having its own geography, history, and language, the experience of such a paracosm is often developed du....
Found on
http://en.wikipedia.org/wiki/Paracosm
noun a prolonged fantasy world invented by children; can have a definite geography and language and history
Found on
https://www.encyclo.co.uk/local/20974
No exact match found.