N. hearing, audition, # auscultation, eavesdropping, audibility, acute ear, nice ear, delicate ear, quick ear, sharp ear, correct ear, musical ear, ear for music, ear, auricle, lug, acoustic organs, auditory apparatus, eardrum, tympanum, tympanic membrane, ear trumpet, speaking trumpet, hearing aid, stethoscope, earshot, hearing distance, hearing, hearing range, sound, carrying distance, telephone, phone, telephone booth, intercom, house phone, radiotelephone, radiophone, wireless, wireless telephone, mobile telephone, car radio, police radio, two-way radio, walkie-talkie, handie-talkie, citizen's band, cb, amateur radio, ham radio, short-wave radio, police band, ship-to-shore radio, airplane radio, control tower communication, (communication) 525, 527, 529, 531, 532, electronic devices, phonograph, gramophone, megaphone, phonorganon, microphone, directional microphone, mike, hand mike, lapel microphone, phonograph needle, stylus, diamond stylus, pickup, reading head (electronic devices), hearer, auditor, listener, eavesdropper, listener-in, auditory, audience, otology, otorhinolaryngology, otologist, otorhinolaryngologist

V. hear, overhear, hark, harken, list, listen, pay attention, take heed, give an ear, lend an ear, bend an ear, catch, catch a sound, prick up one's ears, give ear, give a hearing, give audience to, hang upon the lips of, be all ears, listen with both ears, become audible, meet the ear, fall upon the ear, catch the ear, reach the ear, be heard, ring in the ear 8

Adj. hearing, auditory, auricular, acoustic, phonic

Adv. arrectis auribus

Int. hark, hark ye, hear, list, listen, o yes, oyez, listen up, listen here, hear ye, attention, achtung

N. experiment, essay, analysis, screen, trial, tentative method, ttonnement, verification, probation, experimentum crucis, proof, (demonstration) 478, criterion, diagnostic, test, probe, crucial test, acid test, litmus test, crucible, reagent, check, touchstone, pix, assay, ordeal, ring, litmus paper, curcuma paper, turmeric paper, test tube, analytical instruments, empiricism, rule of thumb, feeler, trial balloon, pilot balloon, messenger balloon, pilot engine, scout, straw to show the wind, speculation, random shot, leap in the dark, analyzer, analyst, assayist, adventurer, experimenter, experimentist, experimentalist, scientist, engineer, technician, subject, experimentee, guinea pig, experimental animal, protocol, experimental method, blind experiment, double-blind experiment, controlled experiment, poll, survey, opinion poll, epidemiological survey, retrospective analysis, retrospective survey, prospective survey, prospective analysis, statistical analysis, literature search, library research, tryout, audition, discovery, measurement, evidence, deduction, induction, abduction

V. experiment, essay, try, try out, assay, make an experiment, make a trial of, give a trial to, put on trial, subject to trial, experiment upon, rehearse, put to the test, bring to the test, submit to the test, submit to the proof, prove, verify, test, touch, practice upon, try one's strength, road-test, test drive, take for a spin, test fly, grope, feel one's way, grope for one's way, fumble, ttonner, aller ttons, put out a feeler, throw out a feeler, send up a trial balloon, send up a pilot balloon, see how the land lies, get the lay of the land, test the waters, feel out, sound out, take the pulse, see, check, check out, see how the wind blows, consult the barometer, feel the pulse, fish for, bob for, cast for, beat about for, angle, trawl, cast one's net, beat the bushes, try one's fortune, explore

Adj. experimental, empirical, probative, probatory, probationary, provisional, analytic, docimastic, tentative, unverified, unproven, speculative, untested

Adv. on trial, under examination, on probation, under probation, on one's trial, on approval

Phr. check it out, give it a try, see how it goes, "run it up the flagpole and see who salutes."