Crossword Genius

Former partner criticises setter regarding development (9)

Ross

I believe the answer is:

expansion

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'development' is the definition.
(thesaurus)

'former partner criticises setter regarding' is the wordplay.
'former partner' becomes 'ex'.
'criticises' becomes 'pans' (I've seen this before).
'setter regarding' becomes 'ion' (I can't explain this - if you can you should give a lot more credence to this answer).
'ex'+'pans'+'ion'='EXPANSION'

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(Other definitions for expansion that I've seen before include "Increase in volume" , "fatter" , "Process of increasing in size, volume etc" , "increase in capacity" , "Enlargement" .)

I've seen this clue in The Hindu.
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