fantasist Definition

fantasy
phantasy
noun fantasies, phantasies

1. A pleasant daydream; something longed-for but unlikely to happen.

Thesaurus: dream, mirage, reverie, pipe-dream, vision, whimsy, apparition, hallucination, illusion, delusion, fancy, flight of fancy.
2. A mistaken notion.
3. Imaginings.
4. The activity of imagining.
5. A product of the imagination; a fanciful piece of writing, music, film-making, etc.

Derivative: fantasist
noun

Etymology: 14c, in the sense ‘delusive imagination': from Greek phantasia image in the mind, imagination.