Related Clues:

• Initiation, for one
• Very cool
• Displaying no emotion
• Immovable
• Imperturbable
• Solemn act
• Poker-faced
• Hard to get to
• Solemn ceremony
• Unflinching
• Benefit of clergy?
• Ceremonial event
• Bite-the-bullet type
• Frat initiation, for one
• Solemn event