By this means (6)
I believe the answer is:
hereby
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">by this means</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 hereby that I've seen before include "(Formally) with this" , "Not far off" , "By this means or act" , "By this means, as result of this" , "By means of this, legally speaking" .)