Administration1. a method of tending to (especially business) matters
2. (the persons (or committees or departments etc.) who make up a governing body and who administer 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"
3. the act of administering medication
4. the tenure of a president; "things were quiet during the Eisenhower administration"