WordWeb Online

1. Extremely pleasing to the sense of taste
   "the dessert was toothsome";
   - delectable, delicious, luscious, pleasant-tasting, scrumptious, yummy [informal], delish [informal], finger-licking [informal], lip-smacking [informal], scrummy [Brit, informal]
    
2. Acceptable to the taste or mind
   "toothsome food";
   - palatable
    
3. [informal] (of a woman) sexually attractive
   "a toothsome blonde in a tight dress";
   - juicy [informal], luscious [informal], red-hot [informal], voluptuous, bootylicious [US, informal], foxy [informal], babelicious [N. Amer, informal]

See also: appetising [Brit], appetizing, comestible, dishy [Brit, informal], eatable, edible, hot [informal], lush [Brit, informal], sexy [informal], smoking [informal], tasty, yummy [informal]