Assenting vote (3)
I believe the answer is:
yea
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">assenting vote</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 yea that I've seen before include "I'm pro" , "Emphatic agreement" , "MP's 'Yes' vote" , "Verily" , "'She loves you, ... ... ...' (The Beatles)" .)