Great point raised about over (5)

I believe the answer is:

super

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'over' is the definition.
(thesaurus)

'great point raised about' is the wordplay.
'great point' becomes 'sup' (I can't justify this - if you can you should believe this answer much more).
'raised' is a reversal indicator (going up in a down clue).
'about' becomes 're' ('re' means regarding or about).
're' reversed gives 'er'.
'sup'+'er'='SUPER'

Can you help me to learn more?

(Other definitions for super that I've seen before include "Prefix meaning terrific or great" , "Wicked" , "Topnotch, terrific" , "Great; wonderful" , "Terrific, ace" .)

I've seen this clue in The Daily Express.

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