Against your other half joining laid-back meeting for experts (12)

I believe the answer is:

connoisseurs

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

'experts' is the definition.
(connoisseur is a kind of expert)

'against your other half joining laid-back meeting' is the wordplay.
I cannot really understand how this works, but
'against' could be 'on' (I've seen this in other clues) and 'on' is found within the answer.
This explanation may well be incorrect...

'for' acts as a link.

Can you help me to learn more?

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

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