Related Clues:

• Smile broadly
• Sign of approval
• Cheshire countenance
• Show of smugness
• Smug expression
• Show of amusement
• Smug smile
• Facial expression
• Use one's zygomatic muscles
• Sly look
• Exude elation
• Jack-o-lantern feature
• Facial gesture
• Do this and bear it
• Alfred E. Neuman feature