Crossword Genius

Ignite dispute about female anger (3,4,2)

Ross

I believe the answer is:

set fire to

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'ignite' is the definition.
(thesaurus)

'dispute about female anger' is the wordplay.
'dispute' becomes 'setto' (I can't explain this - if you can you should give a lot more credence to this answer).
'about' means one lot of letters goes inside another.
'female' becomes 'f' (abbreviation).
'anger' becomes 'ire' ('ire' can be a synonym of 'anger').
'f'+'ire'='fire'
'setto' going around 'fire' is 'SET FIRE TO'.

Can you help me to learn more?

(Other definitions for set fire to that I've seen before include "Ignite" , "Light" , "torch" .)

I've seen this clue in The Independent.
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