Origin: Latin suffix -tion
Administration has 7 different meanings across 1 category:
a method of tending to or managing the affairs of a some group of people (especially the group's business affairs)
"The new administration introduced several policies aimed at streamlining the company's financial operations."
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"
the act of administering medication
"The nurse carefully administered the dosage to ensure the patient received the correct amount of medication."
the tenure of a president
"things were quiet during the Eisenhower administration"
the act of governing; exercising authority
"regulations for the governing of state prisons"
"he had considerable experience of government"
the act of meting out justice according to the law
"The public praised the new administration for its swift and fair handling of the corruption case."
The act of administering; government of public affairs; the service rendered, or duties assumed, in conducting affairs; the conducting of any office or employment; direction.
"The new administration successfully streamlined the city's budget process to improve efficiency for all departments."
In plain English: Administration is the act of managing and running an organization or group of people.
"The school administration announced that classes would start next Monday."
Usage: Use administration to refer to the management and execution of tasks within an organization or the operation of a government, rather than confusing it with the verb "administer" which means to give something like medicine or carry out a rule. It specifically denotes the ongoing process of handling affairs or the group of people in charge of running a system.
The word comes from the Latin administratio, which meant "management" or "care." It entered Middle English through Old French before becoming part of modern English vocabulary.