Related Clues:

• It may be laughing
• Mental quickness
• Wisdom's partner
• Humorist's sine qua non
• Something to burn
• It makes an Impala run
• Check someone's ID
• Service station combustible
• Comic's need
• Jocularity
• Hindenburg fill
• Krypton or radon
• Oven fuel
• Elemental form
• Comic