CIA man, agent, be vigilant, be watchful, beagle, behold, betrayer, blab, blabber, blabberer, blabbermouth, bug, case, catch sight of, clap eyes on, cloak-and-dagger operative, counterintelligence agent, counterspy, delator, descry, detect, detective, dig out, discern, discover, distinguish, double agent, espionage agent, espy, eye, eyeball, ferret out, fink, fish out, follow, gaze at, glimpse, grub up, have a looksee, have in sight, hold in view, hunt out, identify, informer, inside man, intelligence agent, investigator, keep in sight, keep in view, keep under observation, ken, lay eyes on, look after, look at, look on, look upon, make a reconnaissance, make out, meddle, military-intelligence man, narc, naval-intelligence man, nose, notice, observe, operative, peacher, peek, peep, perceive, pick out, pick up, play the spy, pry, pry out, put under surveillance, recognize, reconnoiter, reconnoiterer, regard, root out, scout, scout out, search out, secret agent, see, sense, sight, sleuth, snitch, snitcher, snoop, spook, spot, spotter, spy out, spy upon, spy-catcher, squealer, stag, stake out, stool pigeon, stoolie, take in, talebearer, tattler, tattletale, telltale, twig, undercover man, view, watch, whistle-blower, witness
warning, early warning, caution, caveat, notice, premonition, premonishment, prediction, contraindication, lesson, dehortation, admonition, monition, alarm, handwriting on the wall, mene mene tekel upharsin, red flag, yellow flag, fog-signal, foghorn, siren, monitor, warning voice, Cassandra, signs of the times, Mother Cary's chickens, stormy petrel, bird of ill omen, gathering clouds, clouds in the horizon, death watch, watchtower, beacon, signal post, lighthouse, sentinel, sentry, watch, watchman, watch and ward, watchdog, bandog, housedog, patrol, patrolman, vedette, picket, bivouac, scout, spy, spial, undercover agent, mole, plainclothesman, advanced guard, rear guard, lookout, cautiousness, monitor, guard camera, radar, AWACS, spy satellite, spy-in-the- sky, U2 plane, spy plane, warning, premonitory, monitory, cautionary, admonitory, admonitive, sematic, warned, forewarned, on one's guard, in terrorem, Int, beware!, ware!, take care!, look out!, fore (golf), mind what you are about!, take care what you are about!, mind!, ne reveillez pas le chat qui dort, don't wake a sleeping cat, foenum habet in cornu, caveat actor, le silence du people est la legon des rois, verbum sat sapienti, a word to the wise is sufficient, un averti en vaut deux.
see, behold, discern, perceive, have in sight, descry, sight, make out, discover, distinguish, recognize, spy, espy, ken, get a sight of, have a sight of, catch a sight of, get a glimpse of, have a glimpse of, catch a glimpse of, command a view of, witness, contemplate, speculate, cast the eyes on, set the eyes on, be a spectator of, look on, see sights, see at a glance, look, view, eye, lift up the eyes, open one's eye, look at, look on, look upon, look over, look about one, look round, survey, scan, inspect, run the eye over, run the eye through, reconnoiter, glance round, glance on, glance over turn one's looks upon, bend one's looks upon, direct the eyes to, turn the eyes on, cast a glance, observe, watch, see with one's own eyes, watch for, peep, peer, pry, take a peep, play at bopeep, look full in the face, look hard at, look intently, strain one's eyes, fix the eyes upon, rivet the eyes upon, stare, gaze, pore over, gloat on, leer, ogle, glare, goggle, cock the eye, squint, gloat, look askance.
spectator, beholder, observer, looker-on, onlooker, witness, eyewitness, bystander, passer by, sightseer, rubberneck, rubbernecker, spy, sentinel.
make inquiry, inquire, ask, seek, search, look for, look about for, look out for, scan, reconnoiter, explore, sound, rummage, ransack, pry, peer, look round, look over, go over, look through, go through, spy, overhaul, ask about, inquire about, scratch the head, slap the forehead, look into every hole and corner, peer into every hole and corner, pry into every hole and corner, nose, trace up, search out, hunt down, hunt out, fish out, ferret out, unearth, leave no stone unturned, seek a clue, seek a clew, hunt, track, trail, mouse, dodge, trace, follow the trail, follow the scent, pursue, beat up one's quarters, fish for, feel for, investigate, take up an inquiry, institute an inquiry, pursue an inquiry, follow up an inquiry, conduct an inquiry, carry on an inquiry, carry out an inquiry, prosecute an inquiry, look at, look into, preexamine, discuss, canvass, agitate, examine, study, consider, calculate, dip into, dive into, delve into, go deep into, make sure of, probe, sound, fathom, probe to the bottom, probe to the quick, scrutinize, analyze, anatomize, dissect, parse, resolve, sift, winnow, view in all its phases, try in all its phases, thresh out, bring in question, bring into question, subject to examination, put to the proof, audit, tax, pass in review, take into consideration, take counsel, question, demand, put the question, pop the question, propose the question, propound the question, moot the question, start the question, raise the question, stir the question, suggest the question, put forth the question, ventilate the question, grapple with the question, go into a question, question, put to the question, interrogate, pump, subject to interrogation, subject to examination, cross-question, cross-examine, press for an answer, give the third degree, put to the inquisition, dodge, catechize, require an answer, pick the brains of, suck the brains of, feel the pulse, get the lay of the land, see how the wind is blowing, put one's ear to the ground, be in question, undergo examination.
information, enlightenment, acquaintance, knowledge, publicity, data, communication, intimation, notice, notification, enunciation, annunciation, announcement, communiqu_e, representation, round robin, presentment, case, estimate, specification, report, advice, monition, news, return, account, statement, mention, acquainting, instruction, outpouring, intercommunication, communicativeness, informant, authority, teller, intelligencer, reporter, exponent, mouthpiece, informer, eavesdropper, delator, detective, sleuth, mouchard, spy, newsmonger, messenger, amicus curiae, valet de place, cicerone, pilot, guide, guidebook, handbook, vade mecum, manual, map, plan, chart, gazetteer, itinerary, hint, suggestion, innuendo, inkling, whisper, passing word, word in the ear, subaudition, cue, byplay, gesture, gentle hint, broad hint, verbum sapienti, a word to the wise, insinuation, information theory, bit, byte, word, doubleword, quad word, paragraph, segment, magnetic media, paper medium, optical media, random access memory, RAM, read-only memory, ROM, write once read mostly memory, WORM, informed, communique, reported, published, expressive, explicit plain spoken, (artless), nuncupative, nuncupatory, declaratory, expository, enunciative, communicative, communicatory, from information received, a little bird told me, I heard it through the grapevine.
messenger, envoy, emissary, legate, nuncio, internuncio, ambassador, marshal, flag bearer, herald, crier, trumpeter, bellman, pursuivant, parlementaire, apparitor, courier, runner, dak, estafette, Mercury, Iris, Ariel, commissionaire, errand boy, chore boy, newsboy, mail, overnight mail, express mail, next-day delivery, post, post office, letter bag, delivery service, United Parcel Service, UPS, Federal Express, Fedex, telegraph, telephone, cable, wire (electronic information transmission), carrier pigeon, (news) 532 reporter, gentleman of the press, representative of the press, penny-a-liner, special correspondent, own correspondent, spy, scout, informer.