Pass judgement on half of Yeats' work? (3)

I believe the answer is:

try

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'pass' is the definition.
(thesaurus)

I can't explain the rest of the clue.

(Other definitions for try that I've seen before include "Attempt; smooth (wood)" , "irritate" , "Gorse" , "Make severe demands on" , "Go" .)

I've seen this clue in the Irish Times and the Irish Times (Crosaire).

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