Sound seed, you’ll agree (4)

I believe the answer is:

cede

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'you'll agree' is the definition.
I can't tell whether this defines the answer.

'sound seed' is the wordplay.
'sound' indicates a 'sounds like' (homophone) clue.
'seed' is a homophone of 'CEDE'.

Can you help me to learn more?

(Other definitions for cede that I've seen before include "Yield or give up to another" , "Give up (power to another)" , "Yield, give way" , "Allow" , "Surrender or relinquish possession" .)

I've seen this clue in the Evening Standard.

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