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Clue: "Smile and be on your best behavior!"

We have 1 answer for the clue "Smile and be on your best behavior!". See the results below.

Possible Answers:

• ACTNICE

Related Clues:

• Kindergarten admonition
• Informal demand for propriety
• Show decorum
• "Don't misbehave!"
• Be cordial

Last Seen In:

• LA Times - October 07, 2025

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