Possibly enlarge all round (7)

I believe the answer is:

general

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'all round' is the definition.
Both the answer and definition are adjectives. Perhaps there's an association between them I don't understand?

'possibly enlarge' is the wordplay.
'possibly' indicates anagramming the letters.
'enlarge' is an anagram of 'GENERAL'.

Can you help me to learn more?

(Other definitions for general that I've seen before include "Officer < sweeping < public" , "Universal" , "Enlarge for senior army officer" , "Normal; military rank" , "Not specialised, rank" .)

I've seen this clue in the Evening Standard.

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