Crossword Genius

Perhaps Sturgeon's entertaining in conclusion (6)

Ross

I believe the answer is:

finish

'conclusion' is the definition.
(I know that conclusion can be written as finish)

'perhaps sturgeon's entertaining in' is the wordplay.
'perhaps sturgeon' becomes 'fish' (sturgeon is a type of fish).
'entertaining' is an insertion indicator.
'fish' placed around 'in' is 'FINISH'.

(Other definitions for finish that I've seen before include "End or terminus" , "Patina" , "Deal with" , "End, complete" , "Conclude, stop" .)

I've seen this clue in The Independent.
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