What it is to be educated

Yesterday I ask someone in my (non-diploma) writing group what 'erudite' means.

'It means learn-ed,' they reply, with only a hint of irony.

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er·u·dite 

–adjective
characterized by great knowledge; learned or scholarly: an erudite professor; an erudite commentary.

—Synonyms
educated, knowledgeable; wise, sapient