A charming sort of accent (5)

I believe the answer is:

acute

'sort of accent' is the definition.
(I've seen this before)

'a charming' is the wordplay.
'charming' becomes 'cute' (I've seen this before).
'a'+'cute'='ACUTE'

(Other definitions for acute that I've seen before include "feature at the beginning and end of a French summer" , "Penetrating; accent" , "Shrewd; severe" , "Quick-witted" , "Very perceptive, having sharp mind" .)

I've seen this clue in The Times.

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