Advisory councils (7)
I believe the answer is:
senates
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">advisory councils</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for senates that I've seen before include "Governing bodies" , "Political bodies" .)