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a·gent  (jnt)
1. One that acts or has the power or authority to act.
2. One empowered to act for or represent another: an authors 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.
v. a·gent·ed, a·gent·ing, a·gents
To act as an agent or representative for: Who will agent your next book?
To act as an agent or representative.

[Middle English, from Latin agns, agent-, present participle of agere, to do; see ag- in Indo-European roots.]

agent [ˈeɪdʒənt]
1. a person who acts on behalf of another person, group, business, government, etc.; representative
2. a person or thing that acts or has the power to act
3. a phenomenon, substance, or organism that exerts some force or effect a chemical agent
4. the means by which something occurs or is achieved; instrument wind is an agent of plant pollination
5. (Business / Commerce) a person representing a business concern, esp a travelling salesman
6. (Business / Professions) Brit short for estate agent
7. (Military) short for secret agent
[from Latin agent-, noun use of the present participle of agere to do]
agential  [eɪˈdʒɛnʃəl] adj

agent  (jnt)
A substance that can bring about a chemical reaction or a biological effect. Compare reagent.

agent  /ednt/  n. 1 a person who does business for others, representative: A travel agent makes airline and hotel reservations.||She is a literary agent who represents authors. 2 a spy or special government employee: He is an FBI agent. 3 a person or thing that causes an effect: People use chemical agents to clean things.

Thesaurus: agent 1 a negotiator, intermediary 3 a force/power (an agent of change). agent

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