Jointly (8)
I believe the answer is:
together
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">jointly</span>' is the definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for together that I've seen before include "in league" , "Jointly" , "United; in agreement" , "tied" , "On the trot" .)