What is the meaning of administration?

noun

• A method of tending to or managing the affairs of a some group of people (especially the group's business affairs.
  • synonyms: disposal
• The persons (or committees or departments etc.) who make up a body for the purpose of administering something.
  • usage: "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"
  • synonyms: governance, governing body, establishment, brass, organization, organisation
• The act of administering medication.
  • synonyms: giving medication
• The tenure of a president.
  • usage: "things were quiet during the Eisenhower administration"
  • synonyms: presidency, presidential term
• The act of governing; exercising authority.
  • usage: "regulations for the governing of state prisons"; "he had considerable experience of government"
  • synonyms: government, governing, governance, government activity
• The act of meting out justice according to the law.
  • synonyms: judicature