Prosecute (3)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">prosecute</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for sue that I've seen before include "Take proceedings against (a person)" , "Use to take to court" , "Take court action" , "Bring a legal action" , "Appeal" .)
(Other definitions for sae that I've seen before include "Stamped addressed envelope (abbr.)" , "Envelope ready for return" .)