Proven right, victor pointed out (10)
I believe the answer is:
vindicated
'proven right' is the definition.
(to vindicate is to prove right or justify)
'victor pointed out' is the wordplay.
'victor' becomes 'V' (phonetic alphabet: alpha, bravo, charlie etc.).
'pointed out' becomes 'indicated' ('indicate' can be a synonym of 'point out').
'v'+'indicated'='VINDICATED'
(Another definition for vindicated that I've seen is " justified".)
I've seen this clue in The Telegraph.
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