From Middle English *ademen, from Old English ādēman (to judge, adjudge, doom, deem, try, adjudicate); equivalent to a- +‎ deem.


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addeem (third-person singular simple present addeems, present participle addeeming, simple past and past participle addeemed)

  1. (transitive, now rare, archaic) To adjudge; to try, test. [from 8th c.]
    • 1596, Edmund Spenser, “Book V, Canto III”, in The Faerie Queene. [], London: [] [John Wolfe] for William Ponsonbie, →OCLC:
      So unto him they did addeeme the prise / Of all that Tryumph.
    • 1892, Willard Smith Gibbons; Charles Hood Mills; William Henry Silvernail, Digest of the New York State reporter:
      Legacy is not addeemed by gift before execution of will.
    • 2012, Arthur Phillips, The Tragedy of Arthur:
      Their priests addeemed this blessed by pagan gods.
  2. (transitive, obsolete) To deem; think; judge; esteem; account; determine; be of an opinion.