Related Clues:

• 'That makes sense!'
• 'Understood'
• Sigh of relief
• Shrink rap?
• Comment before 'Ha, ha'
• What a nod may mean
• Sound of contentment
• 'Hmmm ...'
• ''Ah, gotcha!''
• 'Mm-hmm'
• Chin-stroking phrase
• 'Amazing Grace' ending
• Fortuneteller's start
• Clairvoyant's opener
• Response to revelations