Related Clues:

• Sound of regret
• "What a relief!"
• Patient reply, sometimes
• Beginning of relief?
• "That feels wonderful!"
• 'Say ___'
• Breathy utterance
• "I see!"
• Sigh in a jacuzzi
• "Heaved" sound
• [Isn't he dreamy?!]
• 4615
• It may be said to a doctor
• Exhale with relief
• Nostalgic person's response