Crossword Genius

Refusal to speak of riotous license (7)

Ross

I believe the answer is:

silence

I'm a little stuck... Click here to teach me more about this clue!

'refusal to speak' is the definition.
I can't judge whether this defines the answer.

'riotous license' is the wordplay.
'riotous' is an anagram indicator.
'license' with letters rearranged gives 'SILENCE'.

'of' acts as a link.

Can you help me to learn more?

(Other definitions for silence that I've seen before include "What's left of burnt coal" , "Soundlessness" , "It is said to be golden" , "Gag" , "No talking" .)

I've seen this clue in The Telegraph.
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