Attempted to do what the judge did (5)

I believe the answer is:

tried

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'attempted' is the definition.
('try' can be a synonym of 'attempt')

I cannot understand how the remainder of the clue works.

Can you help me to learn more?

(Other definitions for tried that I've seen before include "Annoyed when obliged to accept a rule" , "Made an effort" , "Endeavoured" , "Made an attempt" , "Tested" .)

I've seen this clue in The Irish Independent.

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