N. hole, foramen, puncture, perforation, fontanel, transforation, pinhole, keyhole, loophole, porthole, peephole, mousehole, pigeonhole, eye of a needle, eyelet, slot, opening, aperture, apertness, hiation, yawning, oscitancy, dehiscence, patefaction|, pandiculation, chasm, embrasure, window, casement, abatjour, light, sky light, fan light, lattice, bay window, bow window, oriel, dormer, lantern, outlet, inlet, vent, vomitory, embouchure, orifice, mouth, sucker, muzzle, throat, gullet, weasand, wizen, nozzle, placket, portal, porch, gate, ostiary|, postern, wicket, trapdoor, hatch, door, arcade, cellarway, driveway, gateway, doorway, hatchway, gangway, lich gate, way, path, thoroughfare, channel, passage, passageway, tube, pipe, water pipe, air pipe, vessel, tubule, canal, gut, fistula, adjutage, ajutage, ostium, smokestack, chimney, flue, tap, funnel, gully, tunnel, main, mine, pit, adit, shaft, gallery, alley, aisle, glade, vista, bore, caliber, pore, blind orifice, fulgurite, thundertube, porousness, porosity, sieve, cullender, colander, cribble, riddle, screen, honeycomb, apertion, perforation, piercing, terebration, empalement, pertusion|, puncture, acupuncture, penetration, key, opener, master key, password, combination, passe-partout

V. open, ope, gape, yawn, bilge, fly open, perforate, pierce, empierce|, tap, bore, drill, mine, tunnel, transpierce, transfix, enfilade, impale, spike, spear, gore, spit, stab, pink, puncture, lance, stick, prick, riddle, punch, stave in, cut a passage through, make way for, make room for, uncover, unclose, unrip, lay open, cut open, rip open, throw open, pop open, blow open, pry open, tear open, pull open

Adj. open, perforated, perforate, wide open, ajar, unclosed, unstopped, oscitant, gaping, yawning, patent, tubular, cannular, fistulous, pervious, permeable, foraminous, vesicular, vasicular, porous, follicular, cribriform, honeycombed, infundibular, riddled, tubulous, tubulated, piped, tubate, opening, aperient

Int. open sesame

N. ingress, entrance, entry, introgression, influx, intrusion, inroad, incursion, invasion, irruption, ingression, penetration, interpenetration, illapse, import, infiltration, immigration, admission, insinuation, insertion, inlet, way in, mouth, door, &c. (opening) 260, barway, path, conduit, immigrant

V. have the entree, enter, go into, go in, come into, come in, pour into, pour in, flow into, flow in, creep into, creep in, slip into, slip in, pop into, pop in, break into, break in, burst into, burst in, set foot on, ingress, burst in upon, break in upon, invade, intrude, insinuate itself, interpenetrate, penetrate, infiltrate, find one's way into, wriggle into, worm oneself into, give entrance to, insert

Adj. incoming

N. passage, transmission, permeation, penetration, interpenetration, transudation, infiltration, endosmose exosmose, endosmosis, intercurrence, ingress, egress, path, conduit, opening, journey, voyage

V. pass, pass through, perforate, penetrate, permeate, thread, thrid, enfilade, go through, go across, go over, pass over, cut across, ford, cross, pass and repass, work, make one's way, thread one's way, worm one's way, force one's way, make a passage form a passage, cut one's way through, find its way, find its vent, transmit, make way, clear the course, traverse, go over the ground

Adj. passing, intercurrent, endosmosmic, endosmotic

Adv. en passant

N. discrimination, distinction, differentiation, diagnosis, diorism, nice perception, perception of difference, appreciation of difference, estimation, nicety, refinement, taste, critique, judgment, tact, discernment, acuteness, penetration, nuances, dope*, past performances

V. discriminate, distinguish, severalize, recognize, match, identify, separate, draw the line, sift, separate the chaff from the wheat, winnow the chaff from the wheat, separate the men from the boys, split hairs, draw a fine line, nitpick, quibble, estimate, know which is which, know what is what, know "a hawk from a handsaw", take into account, take into consideration, give due weight to, allow due weight to, weigh carefully

Adj. discriminating, dioristic, discriminative, distinctive, nice

Phr. il y a fagots et fagots, rem acu tetigisti, la critique est aisee et l'art est difficile, miles apart, a distinction without a difference

N. intelligence, capacity, comprehension, understanding, cuteness, sabe *, savvy *, intellect, nous, parts, sagacity, mother wit, wit, esprit, gumption, quick parts, grasp of intellect, acuteness, acumen, subtlety, penetration, perspicacy, perspicacity, discernment, due sense of, good judgment, discrimination, cunning, refinement, head, brains, headpiece, upper story, long head, eagle eye, eagle- glance, eye of a lynx, eye of a hawk, wisdom, sapience, sense, good sense, common sense, horse sense, plain sense, rationality, reason, reasonableness, judgment, solidity, depth, profundity, caliber, enlarged views, reach of thought, compass of thought, enlargement of mind, genius, inspiration, geist, fire of genius, heaven-born genius, soul, talent, prudence, vigilance, tact, foresight, sobriety, self-possession, aplomb, ballast, a bright thought, not a bad idea, solomon-like wisdom

V. be -intelligent, have all one's wits about one, understand, catch an idea, take in an idea, take a joke, take a hint, see through, see at a glance, see with half an eye, see far into, see through a millstone, penetrate, discern, foresee, discriminate, know what's what, listen to reason

Adj. intelligent, quick of apprehension, keen, acute, alive, brainy, awake, bright, quick, sharp, quick witted, keen witted, clear witted, sharp- eyed, sharp sighted, sharp witted, wide-awake, canny, shrewd, astute, clear-headed, farsighted, discerning, perspicacious, penetrating, piercing, argute, quick-witted, nimble- witted, needle-witted, sharp as a needle, sharp as a tack, alive to, clever, arch, pas si bete, acute, wise, sage, sapient, sagacious, reasonable, rational, sound, in one's right mind, sensible, abnormis sapiens, judicious, strong-minded, unprejudiced, unbiased, unbigoted, unprepossessed, undazzled, unperplexed, unwarped judgment, impartial, equitable, fair, cool, cool-headed, long-headed, hardheaded, strong-headed, long- sighted, calculating, thoughtful, reflecting, solid, deep, profound, oracular, heaven-directed, heaven-born, prudent, sober, stand, solid, considerate, politic, wise in one's generation, watchful, provident, in advance of one' age, wise as a serpent, wise as solomon, wise as solon, wise, sensible, reasonable, judicious, well- thought-out, well-planned, well-judged, well-advised, prudent, politic, expedient

Phr. aut regem aut fatuum nasci oportet, "but with the morning cool reflection came", flosculi sententiarum, les affaires font les hommes, mas vale saber que haber, mas vale ser necio que profiadol nemo solus sapit, nosce te, γνῶθι σεαυτόν, nullum magnum ingenium sine mixtura dementiae fuit, sapere aude, victrix fortunae sapientia