KNOWN Synonyms: 81 Similar and Opposite Words - Merriam-Webster
https://www.merriam-webster.com/thesaurus/known
WebSynonyms for KNOWN: named, specified, understood, possessed, appreciated, had, comprehended, grasped; Antonyms of KNOWN: one, certain, unidentified, unspecified, anonymous, specific, particular, unnamed
DA: 66 PA: 74 MOZ Rank: 6