English to English
|Acting; -- opposed to patient, or sustaining, action.
|an active and efficient cause; capable of producing a certain effect
their research uncovered new disease agents
|a representative who acts on behalf of other persons or organizations
|a substance that exerts some force or effect
|a businessman who buys or sells for another in exchange for a commission
|any agent or representative of a federal agency or bureau
|the semantic role of the animate entity that instigates or causes the happening denoted by the verb in the clause
|One who exerts power, or has the power to act; an actor.