fantasist

noun

1. One who creates fantasies.

   “2008 Oct 31 James Bond fantasist jailed by James Sturcke and agencies in The Guardian.co.uk A fantasist was beginning a two-year stint behind bars today for conning police into thinking he was a James Bond-style secret agent.”

2. One living in a fantasy world.

   “I resurrect this piece as antidote, I hope, to the gripping lies of a cinematic fantasist who suffers delusions of reality.”

3. A writer who writes in the fantasy style.

   “"Like the other fantasists dealt with in this volume, Rossetti used fantasy to subvert and undermine traditionalist notions, in this instance notions of male power and female submissiveness."”