To mark somebody as an official ruler, especially a king or queen, as a part of a religious ceremony.
To smear or rub over with oil or an unctuous substance; also, to spread over, as oil.
To choose or nominate somebody for a leading or otherwise important position, especially formally or officially, or as an intended successor.
To apply oil to or to pour oil upon, etc., as a sacred rite, especially for consecration.
To administer an oath to, as an oath of office or of citizenship.