Related Clues:

• It may be impish
• Smile ear-to-ear
• : ) in an e-mail
• Sign of sheepishness
• Pleased expression
• Amused expression
• "You got me!" look
• Beaming look
• Broadest smile
• Meaning of the emoticon :-D
• Sign of satisfaction
• Sign of amusement
• Cheshire Cat's expression
• Prankster's look
• Sheepish look, maybe