Mother holding quiet family gathering initially plans business (9)

'plans business' is the definition.
(business of making plans)

'mother holding quiet family gathering initially' is the wordplay.
I cannot quite understand how this works, but
'mother' could be 'ma' (ma can mean mother) and 'ma' is found within the answer.
'holding' could be 'making' ('make' can be a synonym of 'hold') and 'making' is present in the answer.
'quiet' could be 'p' (music symbol for 'piano', ie soft or quiet) and 'p' is present in the answer.
This accounts for all the letters.
This may be the basis of the clue (or it may be nonsense).

Can you help me to learn more?