Related Clues:

• Chills
• Becomes less friendly
• Sits on a windowsill, say
• Becomes less enthusiastic
• Puts on ice
• Becomes indifferent
• Rests on a sill, maybe
• Sits on a sill, say
• Loses enthusiasm
• Makes chilly
• Puts in the fridge
• Refrigerates
• Awaits carving, as a turkey
• Becomes less cordial
• Chills down