verb

1. To cause to ingest (a drug), either by openly offering or through deceit.

   "We administered the medicine to our dog by mixing it in his food."

2. To apportion out, distribute.

3. To manage or supervise the conduct, performance or execution of; to govern or regulate the parameters for the conduct, performance or execution of; to work in an administrative capacity.

4. To minister (to).

   "administering to the sick"

5. To settle, as the estate of one who dies without a will, or whose will fails of an executor.

6. To give, as an oath.

7. To give a drug to a patient, be it orally or by any other means.