Lucky turn o fate (9)

I believe the answer is:

fortunate

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'lucky' is the definition.
(associated in meaning)

'turn o fate' is the wordplay.
'turn o fate' anagrams to 'FORTUNATE'.
But, I am unsure how this is indicated.

Can you help me to learn more?

(Other definitions for fortunate that I've seen before include "Lucky" , "Blessed with good luck" .)

I've seen this clue in The Irish Independent.

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