Utterly wrapped up in something? (4)

I believe the answer is:

rapt

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'up in something?' is the definition.
I can't judge whether this defines the answer.

'utterly wrapped' is the wordplay.
'utterly' indicates a 'sounds like' (homophone) clue (as uttered).
'wrapped' is a homophone of 'RAPT'.

Can you help me to learn more?

(Other definitions for rapt that I've seen before include "Fully absorbed" , "'Transported, entranced (4)'" , "Enraptured, entranced" , "Fully intent, fascinated" , "Part (anag.)" .)

I've seen this clue in The Globe and Mail.

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