The Collaborative International Dictionary of English v.0.48:

Veer \Veer\, v. i. [imp. & p. p. Veered; p. pr. & vb. n.
   Veering.] [F. virer (cf. Sp. virar, birar), LL. virare;
   perhaps fr. L. vibrare to brandish, vibrate (cf. Vibrate);
   or cf. L. viriae armlets, bracelets, viriola a little
   bracelet (cf. Ferrule). Cf. Environ.]
   To change direction; to turn; to shift; as, wind veers to the
   west or north. "His veering gait." --Wordsworth.
   [1913 Webster]

         And as he leads, the following navy veers. --Dryden.
   [1913 Webster]

         an ordinary community which is hostile or friendly as
         passion or as interest may veer about.   --Burke.
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   To veer and haul (Naut.), to vary the course or direction;
      -- said of the wind, which veers aft and hauls forward.
      The wind is also said to veer when it shifts with the sun.
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The Collaborative International Dictionary of English v.0.48:

Veering \Veer"ing\, a.
   Shifting. -- Veer"ing*ly, adv.
   [1913 Webster]

WordNet (r) 3.0 (2006):

veering
    n 1: the act of turning aside suddenly [syn: swerve,
         swerving, veering]

Moby Thesaurus II by Grady Ward, 1.0:

83 Moby Thesaurus words for "veering":
   aberrant, aberrative, broken, capricious, careening, catchy,
   choppy, circuitous, departing, desultory, deviant, deviating,
   deviative, deviatory, devious, digressive, disconnected,
   discontinuous, discursive, eccentric, errant, erratic, excursive,
   fitful, flickering, fluctuating, guttering, halting, herky-jerky,
   heteroclite, immethodical, inconstant, indirect, intermittent,
   intermitting, irregular, jerky, labyrinthine, lurching, mazy,
   meandering, nonuniform, out-of-the-way, patchy, planetary,
   rambling, rough, roving, scrappy, serpentine, shifting, snaky,
   snatchy, spasmatic, spasmic, spasmodic, spastic, sporadic, spotty,
   staggering, stray, swerving, turning, twisting, uncertain,
   undirected, unequal, uneven, unmethodical, unmetrical, unregular,
   unrhythmical, unsettled, unsteady, unsystematic, vagrant, variable,
   wandering, wavering, winding, wobbling, wobbly, zigzag