Related Clues:

• Gives a heady answer?
• Agrees silently
• Goes to sleep, with 'off'
• Gives approval, in a way
• Shows agreement, in a way
• Auction signals
• Silent OKs
• Silent bids
• Indicates yes, in a way
• Tacit OKs
• Says ''yes'' without saying ''yes''
• Some bids
• Okays
• Gets sleepy
• Indicates agreement