definition of
fantasy

[1] #1 fantasy n. [phantasy] imagination unrestricted by reality; "a schoolgirl fantasy". wn

[2] #2 fantasy n. [phantasy] fiction with a large amount of imagination in it; "she made a lot of money writing romantic fantasies". wn

[3] #3 fantasy n. [illusion, phantasy, fancy] something many people believe that is false; "they have the illusion that I am very wealthy". wn

[4] #4 fantasy v. [fantasize, fantasise] indulge in fantasies; "he is fantasizing when he says he plans to start his own company". wn