To survey, look at something in a wide angle.
To supervise, guide, review or direct the actions of a person or group.
(synonyms)
(ux)
(quote-journal)
To inspect, examine
''Gamekeepers oversee a hunting ground to see to the wildlife's welfare and look for poachers.''
To fail to see; to overlook, ignore.
(RQ:Spenser Faerie Queene)
To observe secretly or unintentionally.