Related Clues:

• O.K., say
• Common consent
• Wordless response
• React to boredom
• Partner of Wynken
• Show approval, in a way
• Show agreement, in a way
• Go-ahead sign
• Approval
• [bor-r-ring!]
• Express agreement
• Gesture of assention
• Affirma-tive action?
• Give the go-ahead
• Tacit approval