Crossword Genius

Reason to limit booze (9)

Ross

I believe the answer is:

rationale

'reason' is the definition.
(thesaurus)

'limit booze' is the wordplay.
'limit' becomes 'ration' (rationing is a kind of limiting).
'booze' becomes 'ale' (I've seen this before).
'ration'+'ale'='RATIONALE'

'to' acts as a link.

(Other definitions for rationale that I've seen before include "Philosophy" , "Basis of logic" , "Logical reasons (for action)" , "solution in theory" , "The logical basis of some thing or action" .)

I've seen this clue in The Independent.
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