To manage or conduct as minister, chief agent, or steward; super-intend the management or execution of; control or regulate in behalf of others: as, to administer the laws or the government, or a department of government; to administer a charitable trust, the affairs of a corporation, or the estate of a bankrupt.To afford; supply; dispense; bring into use or operation, especially in the execution of a magisterial or sacerdotal office: as, to administer relief; to administer justice.To give or apply; make application of: as, to administer medicine, punishment, counsel, etc.To tender or impose, as an oath.In law, to manage or dispose of, as the estate of a deceased person, in the capacity either of executor or administrator. See administration, 9.To contribute assistance; bring aid or supplies; add something: with to: as, to administer to the necessities of the poor.To perform the office of administrator: with upon: as, A administers upon the estate of B.n. One who administers; a minister or an administrator.