Assembly/əˈsembli/ Definition 1 of 4Pro Tip 1/3Cultural Events Used for gatherings with shared interests, often traditional or for holidays. The harvest festival assembly included local farmers and artisans. Pro Tip 2/3Educational Settings Common in schools, for informational or ceremonial gatherings. Students attended the assembly to celebrate the academic achievers. Pro Tip 3/3Company Meetings Refers to a formal gathering of employees in a business. The CEO addressed new policies during the assembly.