Habitual :: Habitual (n.) Formed or acquired by habit or use.
Habitual :: Habitual (n.) According to habit; established by habit; customary; constant; as, the habiual practice of sin..
Habituate :: Habituate (v. t.) To make accustomed; to accustom; to familiarize.
Habituate :: Habituate (a.) Firmly established by custom; formed by habit; habitual.
Habituation :: Habituation (n.) The act of habituating, or accustoming; the state of being habituated..