Related Clues:

• "I see!"
• 'Oh, right'
• Nodder's phrase
• "Oh"
• ''Got it!''
• 'Well well!'
• Exclamation after an explanation
• 'O-o-oh!'
• "Oh, okay"
• ''Uh-huh''
• Acknowledging expression
• 'Ah so!'
• "That's the way it's gonna be then, eh?"
• Shrink's statement
• Dawning response