The Collaborative International Dictionary of English v.0.48:

Gust \Gust\, n. [L. gustus; cf. It. & Sp. gusto. [root]46.]
   [1913 Webster]
   1. The sense or pleasure of tasting; relish; gusto.
      [1913 Webster]

            An ox will relish the tender flesh of kids with as
            much gust and appetite.               --Jer. Taylor.
      [1913 Webster]

   2. Gratification of any kind, particularly that which is
      exquisitely relished; enjoyment.
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            Destroy all creatures for thy sport or gust. --Pope.
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   3. Intellectual taste; fancy.
      [1913 Webster]

            A choice of it may be made according to the gust and
            manner of the ancients. --Dryden.
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The Collaborative International Dictionary of English v.0.48:

Gust \Gust\ (g[u^]st), n. [Icel. gustr a cool breeze. Cf.
   Gush.]
   1. A sudden squall; a violent blast of wind; a sudden and
      brief rushing or driving of the wind.
      [1913 Webster]

            Snow, and hail, stormy gust and flaw. --Milton.
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   2. A sudden violent burst of passion. --Bacon.
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The Collaborative International Dictionary of English v.0.48:

Gust \Gust\, v. t. [Cf. L. gustare, It. gustare, Sp. gustar. See
   GUST a relish.]
   To taste; to have a relish for. [Obs.]
   [1913 Webster]

WordNet (r) 3.0 (2006):

gust
    n 1: a strong current of air; "the tree was bent almost double
         by the gust" [syn: gust, blast, blow]

Moby Thesaurus II by Grady Ward, 1.0:

133 Moby Thesaurus words for "gust":
   access, affection, aftertaste, alacrity, animation, anxiety,
   anxiousness, appetite, aroma, attribute, avidity, avidness, badge,
   bitter, blast, blaze, blow, brand, breathless impatience, breeze,
   burst, cachet, cast, character, characteristic, cheerful readiness,
   configuration, convulsion, crush, cut, cyclone, differentia,
   differential, distinctive feature, eagerness, earmark, elan,
   eruption, explosion, feature, figure, fit, flare-up, flavor, flaw,
   flurry, fondness, forwardness, gale, gusto, hallmark, hurricane,
   idiocrasy, idiosyncrasy, impatience, impress, impression, increase,
   index, individualism, infatuation, irruption, keen desire,
   keenness, keynote, life, likes, liking, lineaments, liveliness,
   love, mannerism, mark, marking, mold, nature, odor, outbreak,
   outburst, palate, paroxysm, particularity, passion, peculiarity,
   promptness, property, puff, quality, quickness, quirk, readiness,
   relish, sally, salt, sapidity, sapor, savor, savoriness, scud,
   seal, seizure, shape, singularity, smack, sour, spasm, specialty,
   spirit, stamp, stomach, storm, surge, sweet, taint, tang, taste,
   tempest, token, tongue, tooth, tornado, trait, trick, upheaval,
   verve, vitality, vivacity, weakness, whirlwind, wind, wind gust,
   zest, zestfulness