Grant permission to break silence (7)

I believe the answer is:

license

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'grant permission' is the definition.
'license' can be an answer for 'permission' (synonyms). I am not certain of the 'grant' bit.

'break silence' is the wordplay.
'break' indicates anagramming the letters.
'silence' with letters rearranged gives 'LICENSE'.

'to' is the link.

Can you help me to learn more?

(Other definitions for license that I've seen before include "Grant official permit to sell or trade" , "Authorise to sell in silence" , "Give permission" , "Entitle" , "Authorise (something)" .)

I've seen this clue in The Irish News and The Telegraph.

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