Related Clues:

• Ease, as hostilities
• Winter-to-spring transition
• Be mellowed by charm
• Start to melt
• Become less icy
• Tuna/cheese concoction
• Hot, cheesy sandwich
• Become squishy, like chocolate
• Gooey sandwich
• Sandwich with tuna and cheese
• Wrap alternative
• Cheesy entree
• Weaken, romantically
• Lose iciness
• Cold-War-to-detente transition