Will exercise, moving to violin (8)

I believe the answer is:

volition

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'will exercise' is the definition.
'volition' can be an answer for 'exercise' (I have seen 'Exercise of will ' mean 'volition' so perhaps 'exercise' could also mean 'volition'). I am unsure of the 'will' bit.

'moving to violin' is the wordplay.
'moving' indicates an anagram.
'to'+'violin'='toviolin'
'toviolin' anagrammed gives 'VOLITION'.

Can you help me to learn more?

(Other definitions for volition that I've seen before include "(Exercise of) will" , "Power of using one's will" , "Free will" , "Act of exercising the will" , "The act of makiing a choice" .)

I've seen this clue in The Times.

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