This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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v. Past participle of know.

adj. Proved or generally recognized: the only known case; a known authority.

n. Something that is known: In this instance, the only known is our actual profit margin.

adj. Someone or something that many people know about, renowned, famous.

v. Past participle of know

n. In algebra, a variable or constant whose value is already determined.

n. Any fact or situation which is well-researched or familiar.

past-participle. of know.

Perceived; understood; recognized; familiar; especially, when used absolutely, familiar to all; generally understood or perceived.

adj. apprehended with certainty

"The reason for the block is not known (and may never be known*), and I am not the only blogger in China who is sad (and angry) that the Chinese government feel the need to protect their citizens from diverse opinions and cultural-exchange in the name of "political stability.""

famous    illustrious    best-known    celebrated    notable    far-famed    noted    renowned    identified    famed   

unsuspected    unknown   

to make known   

know   

understood    assumed    given   

know   

Bastogne    Bayonne    Capone    Cohn    Cologne    Dijon    Goan    Joan    Leone    Malone   

Health & Medicine    History    Science   

ready    been    taken    added    beautiful    both    bring    very    parties    ought