Source : Webster's Revised Unabridged Dictionary (1913)

Luxurious \Lux*u"ri*ous\, a. [L. luxuriosus: cf. F. luxurieux.
   See {Luxury}.]
   Of or pertaining to luxury; ministering to luxury; supplied
   with the conditions of luxury; as, a luxurious life; a
   luxurious table; luxurious ease. `` Luxurious cities. ''
   --Milton. -- {Lux*u"ri*ous*ly}, adv. -- {Lux*u"ri*ous*ness},
   n.

Source : WordNet®

luxuriousness
     n : wealth as evidenced by sumptuous living [syn: {luxury}, {opulence},
          {sumptuousness}]