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