An active and efficient cause; capable of producing a certain effect.

Roget 755: commission, delegation; consignment, assignment; procuration^†; deputation, legation, mission, embassy; agency, agentship^†; power of attorney; clerkship; surrogacy.    errand, charge, brevet, diploma, exequatur [Lat.], permit etc. (permission) 760.    appointment, nomination, designation, return; charter; ordination; installation, inauguration, investiture, swearing-in; accession, coronation, enthronement.    vicegerency; regency, regentship.    viceroy etc. 745; consignee etc. 758; deputy etc. 759.    [person who receives a commission] agent, delegate, consignee etc. 758.    ... show more

Roget 690: doer, actor, agent, performer, perpetrator, operator; executor, executrix; practitioner, worker, stager.    bee, ant, working bee, termite, white ant; laboring oar, servant of all work, factotum.    workman, artisan; craftsman, handicraftsman; mechanic, operative; working man; laboring man; demiurgus, hewers of wood and drawers of water, laborer, navvy^†; hand, man, day laborer, journeyman, charwoman, hack; mere tool etc. 633; beast of burden, drudge, fag; lumper^†, roustabout.    maker, artificer, artist, wright, manufacturer, architect, builder, mason, bricklayer, smith, forger, Vulcan; carpenter; ganger, platelayer; blacksmith, locksmith, sailmaker, wheelwright.    machinist, mechanician, engineer.    sempstress^†, semstress^†, seamstress; needlewoman^†, workwoman; tailor, cordwainer^†.    minister etc. (instrument) 631; servant etc. 746; representative etc. (commissioner) 758, (deputy) 759.    coworker, party to, participator in, particeps criminis [Lat.], dramatis personae [Lat.]; personnel.    ... show more

Roget 153: cause, origin, source, principle, element; occasioner^†, prime mover, primum mobile [Lat.]; vera causa [Lat.]; author etc. (producer) 164; mainspring; agent; leaven; groundwork, foundation etc. (support) 215.    spring, fountain, well, font; fountainhead, spring head, wellhead; fons et origo [Lat.], genesis; descent etc. (paternity) 166; remote cause; influence.    pivot, hinge, turning point, lever, crux, fulcrum; key; proximate cause, causa causans [Lat.]; straw that breaks the camel's back.    ground; reason, reason why; why and wherefore, rationale, occasion, derivation; final cause etc. (intention) 620; les dessous des cartes [Fr.]; undercurrents.    rudiment.    egg, germ, embryo, bud, root, radix radical, etymon, nucleus, seed, stem, stock, stirps, trunk, tap-root, gemmule^†, radicle, semen, sperm.    nest, cradle, nursery, womb, nidus, birthplace, hotbed.    causality, causation; origination; production etc. 161.    ... show more

Roget 746: subject, liegeman^†; servant, retainer, follower, henchman, servitor, domestic, menial, help, lady help, employe, attache; official.    retinue, suite, cortege, staff, court.    attendant, squire, usher, page, donzel^†, footboy^†; train bearer, cup bearer; waiter, lapster^†, butler, livery servant, lackey, footman, flunky, flunkey, valet, valet de chambre [Fr.]; equerry, groom; jockey, hostler, ostler^†, tiger, orderly, messenger, cad, gillie^†, herdsman, swineherd; barkeeper, bartender; bell boy, boots, boy, counterjumper^†; khansamah^†, khansaman^†; khitmutgar^†; yardman.    bailiff, castellan^†, seneschal, chamberlain, major-domo^†, groom of the chambers.    secretary; under secretary, assistant secretary; clerk; subsidiary; agent etc. 758; subaltern; underling, understrapper; man.    maid, maidservant; handmaid; confidente [Fr.], lady's maid, abigail, soubrette; amah^†, biddy, nurse, bonne [Fr.], ayah^†; nursemaid, nursery maid, house maid, parlor maid, waiting maid, chamber maid, kitchen maid, scullery maid; femme de chambre [Fr.], femme fille [Fr.]; camarista^†; chef de cuisine, cordon bleu [Fr.], cook, scullion, Cinderella; potwalloper^†; maid of all work, servant of all work; laundress, bedmaker^†; journeyman, charwoman etc. (worker) 690; bearer, chokra^†, gyp (Cambridge), hamal^†, scout (Oxford). serf, vassal, slave, negro, helot; bondsman, bondswoman^†; bondslave^†; ame damnee [Fr.], odalisque, ryot^†, adscriptus gleboe [Lat.]; villian^†, villein; beadsman^†, bedesman^†; sizar^†; pensioner, pensionary^†; client; dependant, dependent; hanger on, satellite; parasite etc. (servility) 886; led captain; protege [Fr.], ward, hireling, mercenary, puppet, tool, creature.    badge of slavery; bonds etc. 752.    ... show more

Dutch: bewerker, agent

A representative who acts on behalf of other persons or organizations.

Dutch: agent, tussenpersoon, manager
Polish: agent

A substance that exerts some force or effect.

Dutch: middel

A businessman who buys or sells for another in exchange for a commission.

synonyms: broker, factor.

Roget 758: consignee, trustee, nominee, committee.    agent, delegate; commissary, commissioner; emissary, envoy, commissionaire [Fr.]; messenger etc. 534.    diplomatist, diplomat, diplomate, corps diplomatique [Fr.], embassy; ambassador, embassador^†; representative, resident, consul, legate, nuncio, internuncio^†, charge d'affaires [Fr.], attache.    vicegerent etc. (deputy) 759; plenipotentiary.    functionary, placeman^†, curator; treasurer etc. 801; factor, bailiff, clerk, secretary, attorney, advocate, solicitor, proctor, broker, underwriter, commission agent, auctioneer, one's man of business; factotum etc. (director) 694; caretaker; dalal^†, dubash^†, garnishee, gomashta^†.    negotiator, go-between; middleman; under agent, employe; servant etc. 746; referee, arbitrator etc. (judge) 967.    traveler, bagman, commis-voyageur [Fr.], touter^†, commercial traveler, drummer [U.S.], traveling man.    newspaper correspondent, own correspondent, special correspondent.    ... show more

Roget 694: director, manager, governor, rector, comptroller.    superintendent, supervisor, straw boss; intendant; overseer, overlooker^†; supercargo^†, husband, inspector, visitor, ranger, surveyor, aedile^†; moderator, monitor, taskmaster; master etc. 745; leader, ringleader, demagogue, corypheus, conductor, fugleman^†, precentor^†, bellwether, agitator; caporal^†, choregus^†, collector, file leader, flugelman^†, linkboy^†.    guiding star etc. (guidance) 693; adviser etc. 695; guide etc. (information) 527; pilot; helmsman; steersman, steermate^†; wire-puller.    driver, whip, Jehu, charioteer; coachman, carman, cabman; postilion, vetturino^†, muleteer, arriero^†, teamster; whipper in.    head, head man, head center, boss; principal, president, speaker; chair, chairman, chairwoman, chairperson; captain etc. (master) 745; superior; mayor etc. (civil authority) 745; vice president, prime minister, premier, vizier, grand vizier, eparch^†.    officer, functionary, minister, official, red-tapist^†, bureaucrat; man in office, Jack in office; office bearer; person in authority etc. 745.    statesman, strategist, legislator, lawgiver, politician, statist^†, statemonger^†; Minos, Draco; arbiter etc. (judge) 967; boss [U.S.], political dictator.    board etc. (council) 696.    secretary, secretary of state; Reis Effendi; vicar etc. (deputy) 759; steward, factor; agent etc. 758; bailiff, middleman; foreman, clerk of works; landreeve^†; factotum, major-domo^†, seneschal, housekeeper, shepherd, croupier; proctor, procurator.    ... show more

Dutch: tussenpersoon, makelaar
Polish: ajent, agent

Any agent or representative of a federal agency or bureau.

synonym: federal agent.

The semantic role of the animate entity that instigates or causes the happening denoted by the verb in the clause.

synonym: agentive role.

Polish: agens