agencyn.[agentia, fr. L. agens, agentis: cf. F. agence. See Agent.]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 am agent.()()