Related Clues:

• 'Keen!'
• Burn
• Peachy
• Methodical
• Eligible for Mensa
• Without ice
• Elegant
• Blocker of 'Bonanza'
• Instantaneous
• Sans ice
• Like crossword solvers, naturally
• 'Swell!'
• Not having a hair out of place
• In vogue
• Undiluted, as liquor