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]