Criticise Conservative guarantee (7)

I believe the answer is:

censure

'criticise' is the definition.
(I know that censure is a kind of criticise)

'conservative guarantee' is the wordplay.
'conservative' becomes 'C' (UK political abbreviation).
'guarantee' becomes 'ensure' (synonyms).
'c'+'ensure'='CENSURE'

(Other definitions for censure that I've seen before include "Castigation" , "Carpet" , "Blame or rebuke" , "Read (someone) the riot act" , "Reproof - blame" .)

I've seen this clue in The Telegraph.

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