Related Clues:

• "Wonderful!"
• Sparkling
• What Oscar Madison wasn't
• Undiluted, at the bar
• Orderly and systematic
• Not naughty, to Santa
• Pinlike, metaphorically
• "Impressive!"
• "Looks good"
• Immaculate
• With nothing out of place
• Straight up, at a bar
• Not likely to mess up?
• "Cool"
• Good-natured