make-believe

noun
UK /ˈmeɪk bɪˌliːv/
US /ˈmeɪk bɪˌliːv/

Pretending that something is real when it is not.

The children's game was pure make-believe, with dragons and castles.


OTHER MEANINGS

2. Imaginary or not real.

They lived in a make-believe world of their own.

3. The act of pretending or imagining something as real.

Her make-believe helped her cope with the long journey.

4. A false or invented story or situation.

The rumor turned out to be pure make-believe.