WordWeb Online

1. Something added to foods to make them taste sweeter
   - sweetener
    
2. An improvement that makes something more agreeable
   - enhancement
    
3. The act of adding a sweetener to food

1. Make sweeter in taste
   - dulcify, edulcorate, dulcorate
    
2. Make more pleasant or agreeable
   "sweeten a deal";
   - sugar

Derived forms: sweetenings

Type of: alter, change, change taste, flavor [US], flavorer [US], flavoring [US], flavour [Brit, Cdn], flavourer [Brit, Cdn], flavouring [Brit, Cdn], improvement, modify, seasoner, seasoning

Antonym: acidulate

Encyclopedia: Sweetening