Seizes wrongfully (6)
I believe the answer is:
usurps
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">seizes wrongfully</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for usurps that I've seen before include "Seizes and takes control without authority" , "Takes a position of power illegally" , "Seizes wrongfully or by force" , "Arrogates" , "Takes position wrongfully or by force" .)