"Invigorate" Natural Recordings by Native Speakers
To invigorate means to give energy, vitality, or enthusiasm to something or someone, often resulting in increased motivation, revitalization, or refreshment. It can also refer to the act of making something more lively, stimulating, or engaging.
To invigilate means to supervise or monitor something, especially a test or examination, in order to maintain its integrity and prevent cheating. It often refers to the act of overseeing the administration of a test or quiz to ensure that students do not cheat or use unauthorized materials.