solemnisation vs celebration

solemnisation and celebration both are nouns.

Word	Noun	Adjective	Verb	Adverb
solemnisation	Yes	No	No	No
celebration	Yes	No	No	No

As nouns, solemnisation and celebration are synonyms defined as:

solemnisation and celebration: the public performance of a sacrament or solemn ceremony with all appropriate ritual

Other synonyms of solemnisation include solemnization.

solemnisation (noun)	celebration (noun)
the public performance of a sacrament or solemn ceremony with all appropriate ritual	any joyous diversion
	the public performance of a sacrament or solemn ceremony with all appropriate ritual
	a joyful occasion for special festivities to mark some happy event