[n] a method of tending to (especially business) matters
[n] the act of administering medication
[n] the persons (or committees or departments etc.) who make up a body for the purpose of administering something; "he claims that the present administration is corrupt"; "the governance of an association is responsible to its members"; "he quickly became recognized as a member of the establishment"
[n] the tenure of a president; "things were quiet during the Eisenhower administration"