Stories supplied if tonic is ordered (7)

I believe the answer is:

fiction

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'stories supplied' is the definition.
I can't judge whether this definition defines the answer.

'if tonic is ordered' is the wordplay.
'is ordered' indicates an anagram.
'if'+'tonic'='iftonic'
'iftonic' is an anagram of 'FICTION'.

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(Other definitions for fiction that I've seen before include "Fabrication" , "lie" , "Literary form" , "Imaginary prose" , "It isn''t true" .)

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