Nailed (4)
I believe the answer is:
aced
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">nailed</span>' is the definition.<br/ ><span class="explanation-format__explanation">(acing is a kind of nailing)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for aced that I've seen before include "Sailed through" , "Reached a golf hole in one shot" , "got a hole in one" , "passed with highest marks in US" , "Comprehensively beaten" .)