Sumptuousness (8)
I believe the answer is:
opulence
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">sumptuousness</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I know that sumptuousness can be written as opulence)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for opulence that I've seen before include "Ostentatious wealth" , "State of affluence and luxury" , "Impressive richness" , "State of wealth or abundance" , "Wealth, luxury" .)