familiarized vs familiarised

familiarized and familiarised both are adjectives.

Word	Noun	Adjective	Verb	Adverb
familiarized	No	Yes	No	No
familiarised	No	Yes	No	No

As adjectives, familiarized and familiarised are synonyms defined as:

familiarized and familiarised: having achieved a comfortable relation with your environment

Other synonyms of familiarized include adjusted.

familiarized (adjective)	familiarised (adjective)
having achieved a comfortable relation with your environment	having achieved a comfortable relation with your environment