Related Clues:

• ''Far out!'' to a physicist?
• 'Exactly!'
• ''That's it!''
• Good answer
• 'Nifty!'
• Triumphant cry
• What a nod may mean
• Twenty questions answer
• Short answer
• 'Naturally'
• Affirmative vote
• Magic 8-Ball answer
• Circle meas.
• Certainly
• 'Absolutely'