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Adjective: knowledgeable  nó-li-ju-bul
  1. Highly educated; having extensive information or understanding
    "a knowledgeable critic";
    - knowing, learned, lettered, well-educated, well-read, knowledgable, well-versed
  2. Alert and fully informed
    "surprisingly knowledgeable about what was going on";
    - knowing, knowledgable
  3. Thoroughly acquainted through study or experience
    "knowledgeable about the technique of painting";
    - intimate, versed, knowledgable

See also: educated, experienced, experient, informed

Encyclopedia: Knowledgeable