Having a relationship in the making (4)

I believe the answer is:

akin

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

'having a relationship' is the definition.
I can't judge whether this definition defines the answer.

'in the making' is the wordplay.
'in' indicates the answer is hidden within the clue.
'AKIN' is hidden within 'making'.

Can you help me to learn more?

(Other definitions for akin that I've seen before include "Similar in quality" , "Related by blood" , "Having similar characteristics" , "Of a similar nature" , "Of like nature or related" .)

I've seen this clue in the Evening Standard.

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