Reprimand for new rebate (6)
I believe the answer is:
berate
'reprimand' is the definition.
(synonyms)
'new rebate' is the wordplay.
'new' is an anagram indicator.
'rebate' with letters rearranged gives 'BERATE'.
'for' acts as a link.
(Other definitions for berate that I've seen before include "Carpet" , "Reprimand" , "Rebuke" , "Scold, censure" , "Scold or chide severely" .)