Meaning : An administrative unit of government.

Example : The Central Intelligence Agency.
The Census Bureau.
Office of Management and Budget.
Tennessee Valley Authority.

Synonyms : authority, bureau, federal agency, government agency, office

Meaning : A business or organization that provides a particular service, especially the mediation of transactions between two parties.

Meaning : The state of being in action or exerting power.

Example : The agency of providence.
She has free agency.

Meaning : The state of serving as an official and authorized delegate or agent.

Synonyms : delegacy, representation

Meaning : Thing or person that acts to produce a particular effect or achieve an end.

Example : A means of control.
An example is the best agency of instruction.
The true way to success.

Synonyms : means, way