The Collaborative International Dictionary of English v.0.48:

Bouquet \Bou*quet"\, n. [F. bouquet bunch, bunch of flowers,
   trees, feathers, for bousquet, bosquet, thicket, a little
   wood, dim. of LL. boscus. See Bush thicket, and cf.
   Bosket, Busket.]
   [1913 Webster]
   1. A nosegay; a bunch of flowers.
      [1913 Webster]

   2. A perfume; an aroma; as, the bouquet of wine.
      [1913 Webster]

WordNet (r) 3.0 (2006):

bouquet
    n 1: an arrangement of flowers that is usually given as a
         present [syn: bouquet, corsage, posy, nosegay]
    2: a pleasingly sweet olfactory property [syn: bouquet,
       fragrance, fragrancy, redolence, sweetness]

Moby Thesaurus II by Grady Ward, 1.0:

59 Moby Thesaurus words for "bouquet":
   TL, aroma, arrangement, bale, balm, balminess, bindle, bolt,
   boughpot, boutonniere, budget, bunch, bundle, buttonhole, chaplet,
   commendation, compliment, compliments, corsage, deck, fagot,
   fardel, fasces, fascine, festoon, flattering remark,
   flower arrangement, fragrance, fragrancy, fruitiness, garland,
   incense, lei, muskiness, nosegay, odor, orchids, pack, package,
   packet, parcel, perfume, polite commendation, posy, praise, quiver,
   redolence, roll, rouleau, scent, sheaf, spice, spiciness, spray,
   sweet savor, sweet smell, trade-last, truss, wreath