French assent (3)
I believe the answer is:
oui
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">french assent</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 oui that I've seen before include "Yes, madame" , "Yes, monsieur" , "Certainly, monsieur (3)" , "Yes, mademoiselle" .)