Crossword Genius

In favour of acquiring, but being absent-minded about (10)

Ross

I believe the answer is:

forgetting

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'being absent-minded about' is the definition.
I can't judge whether this defines the answer.

'in favour of acquiring' is the wordplay.
'in favour of' becomes 'for' (being for a particular cause).
'acquiring' becomes 'getting' ('get' can be a synonym of 'acquire').
'for'+'getting'='FORGETTING'

'but' is the link.

Can you help me to learn more?

(Another definition for forgetting that I've seen is " Leaving (something) behind".)

I've seen this clue in the Evening Standard.
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