Related Clues:

• 'Explain . . .'
• Philosopher's question
• Question calling for an explanation
• "In what way?"
• Native American greeting, in oaters
• In what manner?
• A question of method?
• "I don't get it"
• Tot's repeated query
• 'Lord, ___ long?': Isaiah
• A question of motive
• "___ so?"
• Word with do or to
• 'And ___!'
• 1959 #1 Frankie Avalon hit