Dreamer
Part of speech: noun
Definition: One who dreams Someone whose beliefs are far from realistic
Example sentence: I'm a thinker and feeler and dreamer and explorer.
Escapist
Part of speech: adjective
Definition: Intended for or tending toward escape; especially, used to avoid, deny, or forget about reality, as through fantasy.
Part of speech: noun
Definition: Someone who wants to escape; especially from reality
Example sentence: The single biggest misconception about games is that they're an escapist waste of time.