installation vs ceremonial

installation and ceremonial both are nouns.

Word	Noun	Adjective	Verb	Adverb
installation	Yes	No	No	No
ceremonial	Yes	Yes	No	No

As nouns, ceremonial is a hypernym of installation; that is, ceremonial is a word with a broader meaning than installation:

Other hypernyms of installation include ceremonial occasion, ceremony, observance.

installation (noun)	ceremonial (noun)
the act of installing something (as equipment)	a formal event performed on a special occasion
a building or place that provides a particular service or is used for a particular industry
a formal entry into an organization or position or office

installation (adjective)	ceremonial (adjective)
	marked by pomp or ceremony or formality