Related Clues:

• "I'm thinking ... "
• 'Lemme think ...'
• Chin stroker's comment
• 'Hmm...'
• "Hmm . . ."
• Ponderer's sound
• 'Well, now...'
• 'I'm thinking ...'
• "Well, as I recall ... "
• 'Well, as I recall ... '
• "Hmm"
• Exclamation of contemplation
• 'That's odd...'
• 'I'll need time to think about it'
• 'I wonder...'