Elaborate display (7)
I believe the answer is:
pageant
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">elaborate display</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 pageant that I've seen before include "Colourful procession" , "Colourful display or parade" , "Dramatic performance" , "Scene moving" , "Elaborate procession on historical theme" .)