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Synonyms

well-informed

American  
[wel-in-fawrmd] / ˈwɛl ɪnˈfɔrmd /

adjective

  1. having extensive knowledge, as in one particular subject or in a variety of subjects.


well-informed British  

adjective

  1. having knowledge about a great variety of subjects

    he seems to be a well-informed person

  2. possessing reliable information on a particular subject

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of well-informed

late Middle English word dating back to 1400–50