THESAURUS
Hover
aeroplane, airlift, airplane, approach, around, ascend, aspire, await, back down, balance, balloon, be airborne, be imminent, be in store, become airborne, brew, clasp, claw skyward, cling to, come on, confront, cruise, dance, debate, deliberate, demur, draw near, draw nigh, draw on, drift, face, falter, fear, ferry, flicker, flit, flitter, float, flutter, fly, fly aloft, follow close upon, forthcome, gain altitude, gather, glide, go with, hang, hang about, hang around, hang back, hang over, hem and haw, hesitate, hop, hover over, huddle, hug, hug the shore, hum and haw, hydroplane, impend, jet, jib, keep close to, kite, leave the ground, levitate, lie by, lie over, linger, loiter, loom, lower, march with, menace, navigate, near, overhang, pause, plane, poise, ponder, pull back, retreat, rise, sail, sailplane, scruple, seaplane, shilly-shally, shy, soar, spire, stand by, stay inshore, stay near, stick at, stickle, stop to consider, straddle the fence, strain at, tailgate, take off, take the air, take wing, think twice about, threaten, volplane, wait, wing, withdraw, yield, zoom
ROGET THESAURUS
Hover
Irresolution
VB
be irresolute, hang in suspense, keep in suspense, leave "ad referendum", think twice about, pause, dawdle, remain neuter, dillydally, hesitate, boggle, hover, dacker, hum and haw, demur, not know one's own mind, debate, balance, dally with, coquet with, will and will not, chaser-balancer, go halfway, compromise, make a compromise, be thrown off one's balance, stagger like a drunken man, be afraid, let 'I dare not' wait upon 'I would', falter, waver vacillate, change, retract, fluctuate, pendulate, alternate, keep off and on, play fast and loose, blow hot and cold, shuffle, palter, blink, trim.
Height
VB
be high, tower, soar, command, hover, hover over, fly over, orbit, be in orbit, cap, culminate, overhang, hang over, impend, beetle, bestride, ride, mount, perch, surmount, cover, overtop, stand on tiptoe, become high, grow higher, grow taller, upgrow, rise, send into orbit, render high, heighten.
Journey
VB
travel, journey, course, take a journey, go a journey, take a walk, go out for walk, have a run, take the air, flit, take wing, migrate, emigrate, trek, rove, prowl, roam, range, patrol, pace up and down, traverse, scour the country, traverse the country, peragrate, circumambulate, perambulate, nomadize, wander, ramble, stroll, saunter, hover, go one's rounds, straggle, gad, gad about, expatiate, walk, march, step, tread, pace, plod, wend, go by shank's mare, promenade, trudge, tramp, stalk, stride, straddle, strut, foot it, hoof it, stump, bundle, bowl along, toddle, paddle, tread a path, take horse, ride, drive, trot, amble, canter, prance, fisk, frisk, caracoler, caracole, gallop, embark, board, set out, hit the road, get going, get underway, peg on, jog on, wag on, shuffle on, stir one's stumps, bend one's steps, bend one's course, make one's way, find one's way, wend one's way, pick one's way, pick one's way, thread one's way, plow one's way, slide, glide, coast, skim, skate, march in procession, file on, defile, go to, repair to, resort to, hie to, betake oneself to.
Navigation
VB
sail, put to sea, take ship, get under way, set sail, spread sail, spread canvas, gather way, have way on, make sail, carry sail, plow the waves, plow the deep, plow the main, plow the ocean, walk the waters, navigate, warp, luff, scud, boom, kedge, drift, course, cruise, coast, hug the shore, hug the land, circumnavigate, ply the oar, row, paddle, pull, scull, punt, steam, swim, float, buffet the waves, ride the storm, skim, effleurer, dive, wade, fly, be wafted, hover, soar, flutter, jet, orbit, rocket, take wing, take a flight, take off, ascend, blast off, land, alight, wing one's flight, wing one's way, aviate, parachute, jump, glide.
Ascent
VB
ascend, rise, mount, arise, uprise, go up, get up, work one's way up, start up, shoot up, go into orbit, float up, bubble up, aspire, climb, clamber, ramp, scramble, escalade, surmount, shin, shinny, shinney, scale, scale the heights, raise, elevate, go aloft, fly aloft, tower, soar, take off, spring up, pop up, jump up, catapult upwards, explode upwards, hover, spire, plane, swim, float, surge, leap.