Related Clues:

• Turn to liquid
• Become less hostile
• Grow genial
• Grow friendly
• Make leftovers
• Harbinger of spring
• Prepare leftovers
• Clear the windows, maybe
• Springtime occurrence
• Put in the defroster
• Deice
• Opening for peace talks
• Do a microwave task
• Warming in relations
• Stick in the microwave