The Collaborative International Dictionary of English v.0.48:

Redolence \Red"o*lence\ (r?d"?*lens), Redolency \Red"o*len*cy\
   (-len*s?), n.
   The quality of being redolent; sweetness of scent; pleasant
   odor; fragrance.
   [1913 Webster]

WordNet (r) 3.0 (2006):

redolence
    n 1: a pleasingly sweet olfactory property [syn: bouquet,
         fragrance, fragrancy, redolence, sweetness]

Moby Thesaurus II by Grady Ward, 1.0:

34 Moby Thesaurus words for "redolence":
   aroma, balm, balminess, bouquet, breath, definite odor,
   detectable odor, effluvium, emanation, essence, exhalation, flavor,
   fragrance, fragrancy, fruitiness, fume, incense, muskiness,
   nosegay, odor, perfume, savor, scent, smell, spice, spiciness,
   spoor, stench, subtle odor, sweet savor, sweet smell, trace, trail,
   whiff