formalised (Adjective) — (art) concerned with or characterized by rigorous adherence to recognized forms (especially in religion or art). ex. "highly formalised plays like 'Waiting for Godot'"
formalised (Adjective) — Given formal standing or endorsement; made official or legitimate by the observance of proper procedures.
formalised (Verb) — Make formal or official. ex. "We formalised the appointment and gave him a title"
formalised (Verb) — Declare or make legally valid.