Ritualistic (10)
I believe the answer is:
ceremonial
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">ritualistic</span>' is the definition.<br/ ><span class="explanation-format__explanation">(thesaurus)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for ceremonial that I've seen before include "Official" , "Ritual(istic)" , "Purely formal" , "Ritual procedure" .)