fullness in WordNet English dictionary

1. completeness over a broad scope
   comprehensiveness  fullness 
   
2. greatness of volume
   fullness  voluminosity  voluminousness 
   
3. the property of a sensation that is rich and pleasing
   "the music had a fullness that echoed through the hall"; "the cheap wine had no body, no mellowness"; "he was well aware of the richness of his own appearance"
   fullness  mellowness  richness 
   
4. the condition of being filled to capacity
   fullness