fantasy
US /ˈfæn.tə.si/
UK /ˈfæn.tə.si/

1.
the faculty or activity of imagining things, especially things that are impossible or improbable
:
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He spent his days lost in fantasy.
•
Her novel is a blend of reality and fantasy.
2.
a genre of imaginative fiction involving magic and adventure, especially in a setting other than the real world
:
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She loves reading epic fantasy novels.
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The movie is a classic of the fantasy genre.