invigilate
UK: ɪnˈvɪdʒɪleɪt | US: ɪnˈvɪdʒəleɪt
vt. to supervise candidates during an examination
vi. to keep watch over a process or activity
Derived from Latin invigilare ("to watch over"), combining in- (upon) + vigilare (to watch, from vigil "awake, alert"). The term originally referred to staying awake to guard or observe, later narrowing to its academic sense of exam supervision. The root vigil also appears in "vigilant" and "vigilante," retaining the core idea of watchfulness.
Teachers must invigilate strictly to prevent cheating during finals.
She was assigned to invigilate the chemistry lab practicals.
The software automatically invigilates online tests by monitoring screen activity.
During the medieval era, monks would invigilate sacred rituals throughout the night.
Universities often hire external staff to invigilate important examinations.