Ask round (6)
I believe the answer is:
invite
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">ask round</span>' is the definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for invite that I've seen before include "Ask for, say comments" , "Draw" , "Request (someone to attend)" , "Ungenerous" , "Request the presence of" .)