Vote in favor (3)
I believe the answer is:
yea
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">vote in favor</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 "'She loves you, ... ... ...' (The Beatles)" , "-- or nay?" , "Certainly (archaic)" , "Archaic affirmative answer" , "Emphatic agreement" .)