Duple fit for the elevated (8)

I believe the answer is:

uplifted

I'm a little stuck... Click here to teach me more about this clue!

'the elevated' is the definition.
(I've seen this before)

'duple fit' is the wordplay.
'duple fit' can be anagrammed to 'UPLIFTED'.
However, I'm not sure how this is indicated.

'for' acts as a link.

Can you help me to learn more?

(Other definitions for uplifted that I've seen before include "Raised spiritually" , "Mentally or morally elevated" , "High" , "Raised, in spirit perhaps." , "appears inspired" .)

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

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