Related Clues:

• "Gracious!"
• Physicist's measure
• 'That's cool!'
• "Really cool!"
• "That's cool!"
• Unit at a reactor
• 'How cool!'
• Like some grandparents
• 'Wowza!'
• Old-fashioned 'Sweet!'
• 'That's swell!'
• "Far out!"
• ''Sweet!''
• Epithet for many leaders, with "the"
• Really cool