Crossword Genius

I am conclusively shown to be better (8)

Ross

I believe the answer is:

improved

'be better' is the definition.
(similar in meaning)

'i am conclusively shown' is the wordplay.
'i am' becomes 'I'm' (contraction).
'conclusively shown' becomes 'proved'.
'im'+'proved'='IMPROVED'

'to' acts as a link.

(Other definitions for improved that I've seen before include "Made or got better" , "Became better" , "Made progress" , "Grew or made better" , "Made better in quality" .)

I've seen this clue in The Guardian and The Globe and Mail.
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