Collocations for fantasy - noun

pure, sheer
Most of what they told us was pure fantasy.

wild
She dismissed the idea as a wild fantasy.

personal, private | childhood, childish | erotic, romantic, sexual | male

enjoy, have, indulge in | build, weave
She had woven a whole fantasy about living in a cottage by the sea.

cherish, nourish
I cherished the fantasy that I might one day have a son who would fulfil the dream.

act out
Children can act out their fantasies in a secure environment.

fulfil, live (out), play out, satisfy
My childhood fantasies were finally fulfilled. | He was able to play out his fantasy of pop stardom.

life, world
living in a fantasy world

~ about
She had a fantasy about going to live on a South Pacific island.

the realms of fantasy
The idea belonged in the realms of fantasy.

a world of fantasy
She felt she had entered a world of fantasy.