Possible Clues:

• Anecdotal wisdom
• A greater amount
• 'Utopia' writer, 1516
• "Utopia" author Thomas
• With 47-Across, approximately
• Religious writer Thomas Oliver's request
• Apt word spelled by the added letters of 17-, 28-, 45- and 60-Across
• Doctor about to get an increase
• Glutton's cry
• Berlin "No ___ Words"