Arbitrates (7)
I believe the answer is:
decides
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">arbitrates</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for decides that I've seen before include "Chooses" , "Gives judgement" , "Determines" , "Resolves" , "Makes up one's mind" .)