administration

noun

1.
a method of tending to or managing the affairs of some group of people (especially the group's business affairs)
Derived from:
administer
2.
the persons (or committees or departments etc.) who make up a body for the purpose of administering something
Derived from:
administer
3.
the act of administering medication
Derived from:
administer
4.
the tenure of a president
Derived from:
administer
6.
the act of meting out justice according to the law