'Educated' in the Bible

"Listen to what I have to say, you wise men! Pay attention to me, you educated people!

All vision has become to you like the words of a book that is sealed, which men deliver to one who is educated, saying, "Read this, please;" and he says, "I can't, for it is sealed:"

and the book is delivered to one who is not educated, saying, "Read this, please;" and he says, "I can't read."

young men in whom there was no physical defect and who were handsome, well versed in all kinds of wisdom, well educated and having keen insight, and who were capable of entering the king's royal service -- and to teach them the literature and language of the Babylonians.

The king appointed for them a daily ration from the king’s choice food and from the wine which he drank, and appointed that they should be educated three years, at the end of which they were to enter the king’s personal service.