1. One that acts or has the power or authority to act. 2. One empowered to act for or represent another: an author's agent; an insurance agent.3. A means by which something is done or caused; instrument. 4. A force or substance that causes a change: a chemical agent; an infectious agent.5. A representative or official of a government or administrative department of a government: an FBI agent.6. A spy. 7.Linguistics The noun or noun phrase that specifies the person through whom or the means by which an action is effected.
VERB:
Inflected forms: a·gent·ed, a·gent·ing, a·gents
TRANSITIVE VERB:
To act as an agent or representative for: Who will agent your next book?
INTRANSITIVE VERB:
To act as an agent or representative.
ETYMOLOGY:
Middle English, from Latin agns, agent-, present participle of agere, to do. See ag- in Appendix I.