Possible Clues:

• Competently suppresses state of confusion over in synod
• Gathering of people or the fitting of parts together
• Parts of machine cleverly used to hold back hot water
• Formal gathering
• Body of people that meets
• Diet, perhaps, for start of day at school
• A gathering for formal meeting
• Skilfully holding back tumult in school get-together
• Meeting
• Gathering of people for a common purpose