According to established form, rule, order, rite or ceremony. A treaty was concluded and formally ratified by both parties.

Ceremoniously; stiffly; precisely; as, to be stiff and formally reserved.

In open appearance; in a visible and apparent state. You and your followers do stand formally divided against the authorized guides of the church, and the rest of the people.

Essentially; characteristically. That which formally makes this a christian grace, is the spring from which it flows.