Sci-fi author's creation (5)

I believe the answer is:

world

'sci-fi author's creation' is the definition.
(I've seen this in another clue)

This is all the clue.

(Other definitions for world that I've seen before include "Everyone" , "place Columbus set sail from with 1a [OLD]" , "Field" , "good deal" , "Earth - universe" .)

I've seen this clue in The New York Times.

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