Related Clues:

• Like the eye of a storm
• Means to self-awareness
• See 2-Down
• Tranquil
• Not at all excited
• Undisturbed
• Silence
• ___ State
• Zipped, so to speak
• 'Shhh!'
• Yachter's woe
• Calm and collected
• Decorous
• Unflustered
• Monopoly avenue