* Agent: A person who acts or performs on behalf of another.
* Agency: The capacity, state, or quality of acting or of exerting power.
* Agenda: A list of items to be discussed or acted upon.
* Aggression: Hostile or violent behavior toward another person.
* Agile: Able to move quickly and easily.
* Aggregate: A whole formed by combining separate parts.
It's worth noting that some words that seem to start with "agere" actually derive from other Latin words. For example, "agriculture" comes from "ager," meaning "field."