verb (used without object), fan·ta·sized, fan·ta·siz·ing.
- to conceive fanciful or extravagant notions, ideas, suppositions, or the like (often followed by about): to fantasize about the ideal job.
verb (used with object), fan·ta·sized, fan·ta·siz·ing.
- to create in one’s fancy, daydreams, or the like; imagine: to fantasize a trip through space.
verb
- (when tr, takes a clause as object) to conceive extravagant or whimsical ideas, images, etc
- (intr) to conceive pleasant or satisfying mental images
1926, from fantasy + -ize. Related: Fantasized; fantasizing. An earlier verb was fantasticate (c.1600).