Related Clues:

• Funny business
• Wit
• Indulge
• It's good for a laugh
• Temperament
• Bookstore section
• Twain forte
• Mark Twain forte
• State of mind
• Funny business?
• Jocularity
• Drollery
• "I fail to see the ___"
• Bookstore aisle, perhaps
• Sitcom material