adjective.
Intended for or tending toward escape; especially, used to avoid, deny, or forget about reality, as through fantasy.
noun.
Someone who wants to escape; especially from reality
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
a person who escapes into a world of fantasy
Word Usage
"I use the term escapist advisedly, since it doesn't do justice to the past, any more than it hints at what present-day moviegoers might come to embrace."