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. expectation, expectance, expectancy, anticipation, reckoning, calculation, foresight, contemplation, prospection, lookout, prospect, perspective, horizon, vista, destiny, suspense, waiting, abeyance, curiosity, anxious expectation, ardent expectation, eager expectation, breathless expectation, sanguine expectation, torment of tantalus, hope, trust, auspices, assurance, confidence, presumption, reliance

V. expect, look for, look out for, look forward to, hope for, anticipate, have in prospect, have in contemplation, keep in view, contemplate, promise oneself, not wonder at, not wonder if, wait for, tarry for, lie in wait for, watch for, bargain for, keep a good lookout for, keep a sharp lookout for, await, stand at "attention," abide, bide one's time, watch, foresee, prepare for, forestall, count upon, think likely, lead one to expect, have in store for, prick up one's ears, hold one's breath

Adj. expectant, expecting, in expectation, on the watch, open-eyed, open-mouthed, in wide-eyed anticipation, agape, gaping, all agog, on tenterhooks, on tiptoe, on the tiptoe of expectation, aux aguets, ready, curious, looking forward to, expected, long expected, foreseen, in prospect, prospective, in one's eye, in one's view, in the horizon, on the horizon, just over the horizon, just around the corner, around the corner, impending

Adv. on the watch, with breathless expectation, with bated breath, with rapt anticipation, arrectis auribus

Phr. we shall see, nous verrons, "expectation whirls me round", the light at the end of the tunnel