Opulence
Part of speech: noun
Definition: wealth abundance, bounty, profusion
Example sentence: The opulence and grandeur of a lot of period drama really helps you get into character and appreciate the luxury of good quality. If you're fashion-minded in any way, you can't help but be incredibly inspired and apply elements to your own style.
Luxuriousness
Part of speech: noun
Definition: The state or property of being luxurious, of being expensive or indulgently pleasant.