FORM'ALLY, adverb 1. According to established form, rule, order, rite or ceremony. A treaty was concluded and formally ratified by both parties. 2. Ceremoniously; stiffly; precisely; as, to be stiff and formally reserved. 3. 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. 4. Essentially; characteristically. That which formally makes this [charity] a christian grace, is the spring from which it flows.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI