Somehow enact pact, going with the flow? (9)

I believe the answer is:

acceptant

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'somehow enact pact going with the flow?' is the definition.
I can't judge whether this definition defines the answer.

'somehow enact pact going with' is the wordplay.
'somehow' indicates an anagram.
'going with' means one lot of letters go next to another.
'enact' put after 'pact' is 'pactenact'.
'pactenact' with letters rearranged gives 'ACCEPTANT'.

Can you help me to learn more?

(Another definition for acceptant that I've seen is " Willingly receiving".)

I've seen this clue in The Guardian.

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