luxuriate vs expand

luxuriate and expand both are verbs.

Word	Noun	Adjective	Verb	Adverb
luxuriate	No	No	Yes	No
expand	No	No	Yes	No

As verbs, expand is a hypernym of luxuriate; that is, expand is a word with a broader meaning than luxuriate:

Other hypernyms of luxuriate include boom, flourish, thrive.

luxuriate (verb)	expand (verb)
thrive profusely or flourish extensively	grow vigorously
become extravagant; indulge (oneself) luxuriously	exaggerate or make bigger
enjoy to excess	become larger in size or volume or quantity
	expand the influence of
	make bigger or wider in size, volume, or quantity
	add details, as to an account or idea; clarify the meaning of and discourse in a learned way, usually in writing
	extend in one or more directions