The Collaborative International Dictionary of English v.0.48:

Bevy \Bev"y\, n.; pl. Bevies. [Perhaps orig. a drinking
   company, fr. OF. bev['e]e (cf. It. beva) a drink, beverage;
   then, perh., a company in general, esp. of ladies; and last
   applied by sportsmen to larks, quails, etc. See Beverage.]
   1. A company; an assembly or collection of persons,
      especially of ladies.
      [1913 Webster]

            What a bevy of beaten slaves have we here ! --Beau.
                                                  & Fl.
      [1913 Webster]

   2. A flock of birds, especially quails or larks; also, a herd
      of roes.
      [1913 Webster]

WordNet (r) 3.0 (2006):

bevy
    n 1: a large gathering of people of a particular type; "he was
         surrounded by a bevy of beauties in bathing attire"; "a
         bevy of young beach boys swarmed around him"
    2: a flock of birds (especially when gathered close together on
       the ground); "we were visited at breakfast by a bevy of
       excited ducks"

Moby Thesaurus II by Grady Ward, 1.0:

91 Moby Thesaurus words for "bevy":
   a mass of, a world of, age group, army, assembly, band, battalion,
   body, brigade, bunch, cabal, cast, charm, clique, cloud, cluster,
   clutter, cohort, company, complement, contingent, corps, coterie,
   covey, crew, crowd, detachment, detail, division, faction, fleet,
   flight, flock, flocks, gaggle, gang, group, grouping, groupment,
   hail, hive, host, in-group, jam, junta, large amount, legion, lots,
   many, masses of, mob, movement, muchness, multitude, murmuration,
   nest, numbers, out-group, outfit, pack, party, peer group, phalanx,
   plague, platoon, plurality, posse, quantities, quite a few,
   regiment, rout, ruck, salon, scores, set, shoal, skein, spring,
   squad, stable, string, swarm, team, throng, tidy sum, tribe, troop,
   troupe, watch, wing, worlds of