Related Clues:

• "Take care!"
• 'Take care!'
• ''Ta-ta''
• Last word, perhaps
• Truce result
• Socialite's ''bye''
• Free pass, of sorts
• Chat ender
• Literally, "to God"
• Tijuana ''so long''
• 'Bye now!'
• Words said upon departure
• Top seed's reward, perhaps
• Indian car company trying to break into the U.S. market with the Nano
• Nobel category