call to order

• gavel to order, bring to order

call to order (third-person singular simple present calls to order, present participle calling to order, simple past and past participle called to order)

1. (transitive) To formally signal the start of (a meeting or function or assembly or court).

• come to order

• “call to order”, in Collins English Dictionary.
• “call to order”, in Merriam-Webster Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.
• “call somebody something to order” in Longman Dictionary of Contemporary English, Longman.