vt to set apart for an office; to appoint.
2. ordain ·vt to set in order; to arrange according to rule; to regulate; to set; to establish.
3. ordain ·vt to invest with ministerial or sacerdotal functions; to introduce into the office of the christian ministry, by the laying on of hands, or other forms; to set apart by the ceremony of ordination.
4. ordain ·vt to regulate, or establish, by appointment, decree, or law; to constitute; to decree; to appoint; to institute.