fantasy

nouns

imagination unrestricted by reality
"a schoolgirl fantasy"
is derived from
is derived from
is derived from
is derived from
is derived from
fiction with a large amount of imagination in it
"she made a lot of money writing romantic fantasies"
is derived from
something many people believe that is false
"they have the illusion that I am very wealthy"
is derived from

verbs

indulge in fantasies
"he is fantasizing when he says he plans to start his own company"