The Collaborative International Dictionary of English v.0.48:

Soaring \Soar"ing\,
   a. & n. from Soar. -- Soar"ing*ly, adv.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Soar \Soar\, v. i. [imp. & p. p. Soared; p. pr. & vb. n.
   Soaring.] [F. s'essorer to soar, essorer to dry (by
   exposing to the air), fr. L. ex out + aura the air, a breeze;
   akin to Gr. ?????.]
   1. To fly aloft, as a bird; to mount upward on wings, or as
      on wings. --Chaucer.
      [1913 Webster]

            When soars Gaul's vulture with his wings unfurled.
                                                  --Byron.
      [1913 Webster]

   2. Fig.: To rise in thought, spirits, or imagination; to be
      exalted in mood.
      [1913 Webster]

            Where the deep transported mind may soar. --Milton.
      [1913 Webster]

            Valor soars above
            What the world calls misfortune.      --Addison.
      [1913 Webster]

   3. (Aeronautics) To fly by wind power; to glide indefinitely
      without loss of altitude.
      [Webster 1913 Suppl.]

WordNet (r) 3.0 (2006):

soaring
    adj 1: ascending to a level markedly higher than the usual;
           "soaring prices"
    2: of imposing height; especially standing out above others; "an
       eminent peak"; "lofty mountains"; "the soaring spires of the
       cathedral"; "towering icebergs" [syn: eminent, lofty,
       soaring, towering]
    n 1: the activity of flying a glider [syn: glide, gliding,
         sailplaning, soaring, sailing]

Moby Thesaurus II by Grady Ward, 1.0:

192 Moby Thesaurus words for "soaring":
   Brownian movement, Olympian, advance, aerial, aeronautics,
   air service, airline, airy, altitudinous, anabasis, angular motion,
   ascending, ascension, ascent, aspiring, astronautics, august,
   aviation, axial, axial motion, back, back-flowing, backflowing,
   backing, backward, backward motion, ballooning, blind flying,
   career, clamber, climb, climbing, cloud-seeding, colossal,
   commercial aviation, contact flying, course, cruising, current,
   descending, descent, distinguished, dominating, down-trending,
   downward, downward motion, drift, driftage, drifting, ebbing,
   elevated, elevation, eminent, escalade, ethereal, exalted, famous,
   flight, flow, flowing, fluent, flux, flying, forward motion,
   fountain, general aviation, gliding, glorious, godlike, going,
   gush, gyrational, gyratory, gyring up, haughty, heroic, high,
   high-pitched, high-reaching, high-set, high-up, increase, jet,
   jump, lauded, leap, levitation, lofty, magnanimous, magnificent,
   majestic, monumental, mount, mounting, noble, oblique motion,
   ongoing, onrush, outtopping, overlooking, overtopping, passage,
   passing, pilotage, plunging, progress, progressive, prominent,
   radial motion, random motion, reflowing, refluence, refluent,
   reflux, regression, regressive, renowned, retrogression,
   retrogressive, rise, rising, rocketing up, rotary, rotational,
   rotatory, run, running, rush, rushing, sailing, sailplaning,
   saltation, set, shooting up, sideward, sideward motion, sinking,
   skyscraping, spiring, spout, spring, spurt, steep, sternway,
   stream, streaming, sublime, subsiding, superb, superlative,
   supernal, surge, takeoff, taking off, topless, toplofty, topping,
   towering, towery, traject, trajet, trend, up-trending, upclimb,
   upcoming, updraft, upgang, upgo, upgoing, upgrade, upgrowth,
   uphill, upleap, uplift, uplifted, upping, upreared, uprisal,
   uprise, uprising, uprush, upshoot, upslope, upsurge, upsurgence,
   upsweep, upswing, upward, upward motion, vault, winging, zooming