sump·tu·os·i·ty \ˌsəm(p)chəˈwäsəd.ē\noun (-es) Etymology: Middle French or Late Latin; Middle French sumptuosité, from Late Latin sumptuositat-, sumptuositas, from Latin sumptuosus + -itat-, -itas -ity : expensive magnificence or elegance : lavish display : luxuriousness < most children like sumptuosity — Sylvia T. Warner >