Assent to the destruction of some nice cedars (6)

I believe the answer is:

accede

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'assent' is the definition.
(synonyms)

I don't understand the remainder of the clue.

(Other definitions for accede that I've seen before include "Agree to proposal or take office" , "Grant, agree to proposal" , "Assent (to something)" , "Agree or enter into office" , "Agree (to) - come into office" .)

I've seen this clue in the Evening Standard.

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