The process of doing something (6)
I believe the answer is:
action
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">the process of doing something</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for action that I've seen before include "Combat" , "Military engagement" , "Law suit" , "war?" , "Lawsuit; thing done" .)