Related Clues:

• "That's amazing!"
• Knock one's socks off
• "Awesome!"
• Exclamation
• Business letter encl.
• 'Unbelievable!'
• Business letter enc.
• Convenience for an ed.
• "Holy smokes!"
• Frequent encl.
• "Golly!"
• Encl. with a manuscript
• Knock ('em) dead
• Really impress
• Impress