ad·min·is·ter [ əd mínnəstər ](past and past participlead·min·is·tered, present participlead·min·is·ter·ing, 3rd person present singularad·min·is·ters)
verb
Definition:
1. transitive verb be in charge of affairs: to manage the affairs of a business, organization, or institution
2. transitive verb dispense something: to preside over the dispensation of something He administered justice in the fairest possible manner.
3. transitive verb give medication: to give somebody a measured amount of a medication, often by physically introducing it into the body
4. transitive verb perform ritual: to carry out a set ritual or religious ceremony on behalf of a person or group of people
5. intransitive verb supervise taking of oath: to oversee the taking of an oath by somebody
6. intransitive verb look after somebody: to look after and tend to the needs of somebody
7. transitive verb law organize handover of property: to manage the distribution of a deceased person's property in accordance with the law
[14th century. Via Old French aministrer< Latin administrare "serve, manage" < ministrare "serve"]