Related Clues:

• Say yes, in a way
• Evince agreement
• Get sleepy-eyed
• Affirmation of a sort
• Sleepytime land
• Indicate assent
• Show agreement silently
• Nonverbal agreement
• Gesture of agreement
• Wink's partner
• Shoemate of Wynken and Blynken
• Signal one's agreement
• Bidder's gesture
• Give silent assent
• Acknowledge with a head gesture