noun someone who supervises (an examination)
Synonymsproctor
noun someone who gives a warning so that a mistake can be avoided
noun display produced by a device that takes signals and displays them on a television screen or a computer monitor
Synonymsmonitoring device
noun any of various large tropical carnivorous lizards of Africa and Asia and Australia; fabled to warn of crocodiles
verb keep tabs on; keep an eye on; keep under surveillance
Synonymssupervise
Source: WordNet 3.1, Princeton University
