Familiarise is a term that means to become accustomed to something or someone. ACQUAINT, with 8 letters, means to make someone aware of something. ACCUSTOM, also with 8 letters, means to make someone used to something. ADAPT, with 5 letters, means to adjust to something. NOTIFY, with 6 letters, means to inform someone of something. Finally, HABITUATE, with 9 letters, means to become accustomed to something. All of these words are related to the term familiarise, as they all involve becoming accustomed to something or someone.