In a manner that involves luxury, in an expensive or indulgent manner.(adverb)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "luxuriously" in a sentence
"Backed up by the concept of a 'liberal elite,' right-wingers could crony around with their corporate patrons in luxuriously appointed think tanks and boardrooms -- all the while purporting to represent the average overworked Joe."
"The impossibly smooth, darkly handsome, impeccable former Madrid No8 and opinionated TVE commentator, with the kind of luxuriously thick hair that no one actually has but adorns barbers 'windows worldwide."
"Most of them love a drink, a surprising number of them smoke, and they almost all eat well, by which I mean expensively and luxuriously."