Related Clues:

• ''Cool!''
• Ah partner
• Reaction to pyrotechnics
• "La la" lead-in
• Sound of admiration
• "Wonderful!"
• Sound at a spa
• Sigh of relief
• Excited reaction
• "What a relief!"
• Kin of ''Wow!''
• Patient reply, sometimes
• Word of amazement
• "Impressive!"
• Awed remark