Related Clues:

• 'Oh, that's what you mean'
• Backrub response
• 'Of course'
• Comment after the fog clears
• Phrase of understanding
• Sound of satisfaction
• Fortuneteller's phrase
• Soothsayer's words
• Nodder's words
• ''That's how it is, eh?''
• On edge
• 'O.K.'
• Physical sound?
• 'It all comes clear'
• 'Oh'