Related Clues:

• Show pleasure
• Kittenish comment
• Sound like a well-tuned engine
• Siamese comment
• ''I'm happy'' in Siamese?
• Run smoothly
• Good engine sound
• Petted pet's sound
• Sound of a well-tuned engine
• Say coquettishly
• Be catty
• Cat sound
• Motor sound
• Kitten's comment
• Contented murmur