Knowledgeable through having read extensively.(adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "well-read" in a sentence
"As a well-read friend recently told me, it's the only book with a pink cover that examines the Reynolds defence, but that hasn't stopped dozens of people asking me how I became a chick-lit writer."
"Readers of Lincoln's era would likely be surprised at how well-lit our homes are, and I think it's likely that we will be surprised at how well-read future book readers will be."
"What's more -- and so exciting -- is that our new book technology can make it easier for us to lead well-read lives."