fantasize
verb
[ ˈfantəsʌɪz ]
• indulge in daydreaming about something desired.
• "he sometimes fantasized about emigrating"
Similar:
daydream,
dream,
muse,
indulge in fantasy,
indulge in fancy,
make-believe,
play-act,
pretend,
imagine,
build castles in the air,
build castles in Spain,
live in a dream world,
indulge in wool-gathering,