Well-known
Part of speech: adjective
Definition: Familiar, famous, renowned or widely known. Generally recognised; reserved for some usual purpose.
Known
Part of speech: verb
Definition: To perceive the truth or factuality of; to be certain of or that.
Part of speech: noun
Definition: In algebra, a variable or constant whose value is already determined.Any fact or situation which is well-researched or familiar.
Part of speech: adjective
Definition: That whom other people know, renowned, famous.
Example sentence: There is no despair so absolute as that which comes with the first moments of our first great sorrow, when we have not yet known what it is to have suffered and be healed, to have despaired and have recovered hope.