THESAURUS
operative
Bow Street runner, CIA man, FBI, FBI agent, Federal, G-man, Secret Service, Sherlock Holmes, T-man, accessible, active, actor, agent, alive, architect, armipotent, artisan, author, authoritative, cloak-and-dagger
operative, cogent, conductor, counterintelligence agent, counterspy, craftsman, craftswoman, creator, detective, doer, double agent, driver, dynamic, effective, effectual, efficacious, efficient, employable, employee, energetic, engineer, espionage agent, executant, executor, executrix, eye, fabricator, fed, forceful, forcible, functional, functionary, functioning, go, gumshoe, hand, handler, high-potency, high-powered, high-pressure, high-tension, hotel detective, house detective, house dick, in force, in power, inquiry agent, inside man, intelligence agent, investigator, irresistible, laborer, live, machinist, maker, manipulator, mechanic, medium, mighty, mighty in battle, military-intelligence man, mover, narc, naval-intelligence man, operant, operation, operational, operator, performer, perpetrator, pilot, plainclothesman, police detective, potent, powerful, practicable, practical, practitioner, prepotent, prime mover, private detective, private eye, private investigator, producer, puissant, reconnoiterer, revenuer, roustabout, ruling, runner, running, scout, secret agent, shamus, sleuth, spotter, spy, spy-catcher, steersman, store detective, striking, strong, subject, telling, treasury agent, undercover man, usable, valid, vigorous, vital, worker, workhand, working, workingman, workman
ROGET THESAURUS
operative
Agent
N
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, 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, servant, representative, coworker, party to, participator in, particeps criminis, dramatis personae, personnel, quorum pars magna fui, faber est quisque fortunae suae.
Agency
N
agency, operation, force, working, strain, function, office, maintenance, exercise, work, swing, play, interworking, interaction, procurement, causation, instrumentality, influence, action, modus operandi, quickening power, maintaining power, sustaining power, home stroke,
operative, efficient, efficacious, practical, effectual, at work, on foot, acting, in operation, in force, in action, in play, in exercise, acted upon, wrought upon, by the agency of through, by means of, I myself must mix with action lest I wither by des.