False appearance (8)
I believe the answer is:
illusion
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">false appearance</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 illusion that I've seen before include "A false belief about linus oil" , "Something a person wrongly believes to exist" , "False belief or image, like mirage" , "can you believe it?" , "Chimera" .)