Related Clues:

• Cheesy diner fare
• A winter relaxation?
• Permafrost concern
• Liquify, like snow
• Become quite mushy, as snow
• Change from solid to liquid
• Calming of diplomatic tensions
• Become more approachable, say
• Soften, as butter
• Melt, like snow
• What about showing more friendliness?
• Become a puddle, maybe
• Move from the freezer to the sink, perhaps