'oversight' definitions:

Definition of 'oversight'

(from WordNet)
noun
An unintentional omission resulting from failure to notice something [syn: oversight, inadvertence]
noun
Management by overseeing the performance or operation of a person or group [syn: supervision, supervising, superintendence, oversight]
noun
A mistake resulting from inattention [syn: oversight, lapse]

Synonyms of 'oversight'

From: Moby Thesaurus