any entity that produces an effect or is responsible for events or results | the semantic role of the animate entity that instigates or causes the happening denoted by the verb in the clause |
a comprehensive term for any proceeding in a court of law whereby an individual seeks a legal remedy | an active and efficient cause; capable of producing a certain effect |
a series of actions advancing a principle or tending toward a particular end | a businessman who buys or sells for another in exchange for a commission |
a justification for something existing or happening | a representative who acts on behalf of other persons or organizations |
events that provide the generative force that is the origin of something | any agent or representative of a federal agency or bureau |
| a substance that exerts some force or effect |