Related Clues:

• Bob the head
• 'Uh-huh, uh-huh'
• Get sleepy
• ''Got it''
• Opener for a crystal ball gazer
• "No argument here"
• 'Makes sense now'
• Words indicating understanding
• 'It makes sense to me'
• Wordless agreement
• Words indicating comprehension
• Move like a bobblehead doll
• Nod alternative
• "It's clear now"
• Go-ahead signal