FORMALLY Synonyms: 40 Similar and Opposite Words - Merriam-Webster
https://www.merriam-webster.com/thesaurus/formally
WEBSynonyms for FORMALLY: carefully, systematically, orderly, gingerly, meticulously, methodically, punctiliously, deliberately; Antonyms of FORMALLY: randomly, irregularly, anyway, informally, haphazardly, casually, arbitrarily, anyhow.
DA: 65 PA: 64 MOZ Rank: 94