Related Clues:

• Signals OK
• Votes from the pros
• Sailors' assents
• Head-shaking answers
• Music to a captain's ears?
• Gives a heady reply?
• Nautical assents
• Positive words
• Signs an agreement?
• Nautical affirmatives
• Silent answers
• Replies on the Enterprise
• Bean dips?
• Shipboard responses
• Bobblehead doll actions