supervise
Pronunciation: /ˈsuːpəvʌɪz, ˈsjuː-/
verb
- observe and direct the execution of (a task or activity): the sergeant left to supervise the loading of the lorries
- observe and direct the work of (someone): nurses were supervised by a consultant psychiatrist
- keep watch over (someone) in the interest of their or others' security: the prisoners were supervised by two officers

Origin:
late 15th century (in the sense 'survey, peruse'): from medieval Latin supervis- 'surveyed, supervised', from supervidere, from super- 'over' + videre 'to see'

Spelling help
Unlike most verbs ending in -ise, supervise cannot be spelled with an -ize ending.