Outstanding quality (10)
I believe the answer is:
excellence
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">outstanding quality</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for excellence that I've seen before include "Superiority" , "greatness" , "Exceptional quality" , "Great merit" , "Outstanding quality" .)