Falsely adopted (7)
I believe the answer is:
assumed
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">falsely adopted</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 assumed that I've seen before include "Falsely adopted" , "Took to be the case" , "False" , "Took upon oneself" , "Taken as true; adopted" .)