Authoritative (9)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">authoritative</span>' is the definition.<br/ ><span class="explanation-format__explanation">(thesaurus)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for canonical that I've seen before include "Accepted as being authoritative" , "Standard" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">authoritative</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for magisterial that I've seen before include "Commanding" , "enforcing law" , "unlikely to be argued with" .)