civilise vs civilisation

civilise is not a noun while civilisation is a noun.

Word	Noun	Adjective	Verb	Adverb
civilise	No	No	Yes	No
civilisation	Yes	No	No	No

civilise (noun)	civilisation (noun)
	the quality of excellence in thought and manners and taste
	a society in an advanced state of social development (e.g., with complex legal and political and religious organizations)
	a particular society at a particular time and place
	the social process whereby societies achieve an advanced stage of development and organization

civilise (verb)	civilisation (verb)
raise from a barbaric to a civilized state
teach or refine to be discriminative in taste or judgment