Related Clues:

• 'Interesting'
• Chin stroker's words
• 'Hmmm ...'
• Hesitation sound
• 'Wait, it'll come to me ...'
• 'Hmmm...'
• Sound of hesitation
• "Hmmm"
• 'Well, let me think ...'
• 'Hmm ...'
• ''Hmm . . .''
• Deliberator's words
• "Very interesting ..."
• 'Well, let me see …'
• 'Er-r …'