fantasize

or phan·ta·size

[fan-tuh-sahyz]

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.

Also especially British, fan·ta·sise.

Origin of fantasize

First recorded in 1925–30; fantas(y) + -ize

Related formsfan·ta·siz·er, noun

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for fantasise

fantasize

fantasise

verb

(when tr, takes a clause as object) to conceive extravagant or whimsical ideas, images, etc
(intr) to conceive pleasant or satisfying mental images

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for fantasise

artificial British English spelling of fantasize, not much attested before 1970s. For suffix, see -ize. Related: Fantasised; fantasising.

fantasize

1926, from fantasy + -ize. Related: Fantasized; fantasizing. An earlier verb was fantasticate (c.1600).