Related Clues:

• Ceremonial practice
• Bris, for one
• Showing little emotion
• Not easily flapped
• Penance, e.g.
• Sacrament, e.g.
• Bris or confirmation, e.g.
• Bar mitzvah or bris
• Betraying no emotion
• "The ___ of Spring"
• Giving nothing away, in a way
• Codified event
• Uncomplaining sort
• Bat mitzvah, e.g.
• Follower of the philosopher Epictetus