Doctrine accepted without question (5)
I believe the answer is:
dogma
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">doctrine accepted without question</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 dogma that I've seen before include "A religious belief" , "Inflexible principle" , "church teaching" , "Beliefs laid down as incontrovertibly true" , "Body of religious doctrine" .)