Crossword Genius

Uphold a try, if converted (6)

Ross

I believe the answer is:

ratify

'uphold' is the definition.
(thesaurus)

'a try if converted' is the wordplay.
'converted' is an anagram indicator.
'a'+'try'+'if'='atryif'
'atryif' with letters rearranged gives 'RATIFY'.

(Other definitions for ratify that I've seen before include "Authenticate" , "Formally consent to (treaty)" , "Affirm" , "OK" , "Sign or give formal consent" .)

I've seen this clue in the Sydney Morning Herald.
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