agency

Noun

agency. plural agencies /-siz/

1. The faculty of acting or of exerting power; the state of being in action; action; instrumentality.

   The superintendence and agency of Providence in the natural world. --Woodward.

2. The office of an agent, or factor; the relation between a principal and his agent; business of one intrusted with the concerns of another.
3. The place of business of an agent.

Synonyms:

Action; operation; efficiency; management.