Synonyms for Sweetness (same or very similar meaning)
WordNet sense 1 (the taste experience when sugar dissolves in the mouth):
sweet, sugarinessWordNet sense 2 (a pleasingly sweet olfactory property):
bouquet, fragrance, redolence, fragrancyWordNet sense 3 (the quality of giving pleasure):
pleasantnessFrom the ODE community, based on WordNetadd/edit