Rich capsule distributed (7)

I believe the answer is:

upscale

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'rich' is the definition.
Both the definition and answer are adjectives. Perhaps they are linked in a way I don't understand?

'capsule distributed' is the wordplay.
'distributed' indicates an anagram.
'capsule' anagrammed gives 'UPSCALE'.

Can you help me to learn more?

(Another definition for upscale that I've seen is " Prestigious".)

I've seen this clue in the Sydney Morning Herald.

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