Related Clues:

• "Let's see ... "
• 'I'm thinking ... '
• "I'm thinking ... "
• 'Lemme think ...'
• Ponderer's sound
• 'I'm thinking ...'
• Exclamation of contemplation
• 'That's odd...'
• 'I wonder...'
• Sound of wheels turning?
• 'I wonder ... '
• "I wonder ... "
• "Let me consider that ..."
• "Good question ..."
• "Let's see ..."