Behave oneself or have a romp around in bed (7)

I believe the answer is:

comport

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'behave' is the definition.
(synonyms)

'romp around in bed' is the wordplay.
'around' is an anagram indicator.
'in' is an insertion indicator.
'bed' becomes 'cot' (cot is a type of bed).
'romp' anagrammed gives 'mpor'.
'mpor' placed within 'cot' is 'COMPORT'.

'oneself or have a' is the link.
This may not be correct. Some or all of it may be part of another bit of the clue.

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

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