utilise vs utilize

utilise and utilize both are verbs.

Word	Noun	Adjective	Verb	Adverb
utilise	No	No	Yes	No
utilize	No	No	Yes	No

As verbs, utilise and utilize are synonyms defined as:

utilise and utilize: put into service; make work or employ for a particular purpose or for its inherent or natural purpose

Other synonyms of utilise include apply, employ, use.

utilise (verb)	utilize (verb)
put into service; make work or employ for a particular purpose or for its inherent or natural purpose	convert (from an investment trust to a unit trust)
	put into service; make work or employ for a particular purpose or for its inherent or natural purpose