From Longman Dictionary of Contemporary Englishinvigilatein‧vi‧gi‧late /ɪnˈvɪdʒəleɪt/ verb [intransitive, transitive] British English SEto watch people who are taking an examination and make sure that they do not cheat SYN proctor American English —invigilator noun [countable]→ See Verb tableOrigin invigilate (1500-1600) Latin invigilare “to watch, be awake in”, from vigil; → VIGIL
