noun
(archaic or humorous) One's habitual way of doing things; custom, habit, practice.
adjective
Accustomed or used (to or with a thing), accustomed or apt (to do something).
verb
(transitive, archaic) To make (someone) used to; to accustom.
(intransitive, archaic) To be accustomed (to something), to be in the habit (of doing something).