AGENT

Definition of AGENT

  1. (noun)an active and efficient cause; capable of producing a certain effect
  2. (noun)a representative who acts on behalf of other persons or organizations
  3. (noun)a substance that exerts some force or effect
  4. (noun)a businessman who buys or sells for another in exchange for a commission
  5. (noun)any agent or representative of a federal agency or bureau
  6. (noun)the semantic role of the animate entity that instigates or causes the happening denoted by the verb in the clause