1. To survey, look at something in a wide angle.
  2. To supervise, guide, review or direct the actions of a person or group.
    It is congress's duty to oversee the spending of federal funds.
  3. To inspect, examine
    Gamekeepers oversee a hunting ground to see to the wildlife's welfare and look for poachers.
  4. To fail to see; to overlook, ignore.
  5. To observe secretly or unintentionally.

The above text is a snippet from Wiktionary: oversee
and as such is available under the Creative Commons Attribution/Share-Alike License.

Need help with a clue?
Try your search in the crossword dictionary!