The Oxford Thesaurus An A-Z Dictionary of Synonyms - luxuryn.

1) opulence, splendour, sumptuousness, grandeur, extravagance, magnificence, richness, luxuriousness: I cannot describe the overwhelming luxury of the maharaja's palace. 2) indulgence, self-indulgence, hedonism, sybaritism, voluptuousness: He had been living a life of luxury in Tahiti. 3) security, confidence; gratification, satisfaction, enjoyment, pleasure, delight, comfort: He has the luxury of knowing that his dog will be well looked after. 4) frill, extravagance, extra, indulgence, non-essential, expendable, treat: He showered her with luxuries from the finest shops.