Ostentatious ceremony (4)
I believe the answer is:
pomp
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">ostentatious ceremony</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 pomp that I've seen before include "Stately and splendid display" , "Ostentatious ceremony" , "Great ceremony" , "Ceremony and splendour" , "Solemn ceremony and splendid display" .)