Related Clues:

• Friend of Wynken and Blynken
• Show approval
• Auction assent
• Bridge utterance
• Affirmative action?
• Wooden shoe passenger
• Silent bid
• Unspoken assent
• Pal of Wynken and Blynken
• Positive sign
• One heart, e.g.
• Silent OK
• Silent agreement
• Head movement
• Endorsement