Good enough to get gilded, possibly? (4,5)

I believe the answer is:

gilt edged

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

'get gilded possibly?' is the wordplay.
'possibly?' indicates anagramming the letters (I've seen 'possibly' mean this).
'get'+'gilded'='getgilded'
'getgilded' anagrammed gives 'GILT-EDGED'.

'to' is the link.

Can you help me to learn more?

(Other definitions for gilt edged that I've seen before include "extremely reliable" , "Top-quality" .)

I've seen this clue in the Evening Standard.

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