Related Clues:

• Tranquility
• "Arrivederci"
• "Au revoir!" relative
• "---, amigos!"
• "So long!"
• Chico's 'ciao'
• Bye, somewhere
• Roman greeting
• It's said when taking off
• 'See you later!'
• Ciao cousin
• Parting word, somewhere
• Ciao, in Chartres
• Farewell, to 10-Across
• Stillness