Brainwashed (13)
I believe the answer is:
indoctrinated
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">brainwashed</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 indoctrinated that I've seen before include "Brain-washed" , "Driven to accept ideas without question" , "Convinced" .)