'Enhancement' definitions:

Definition of 'enhancement'

From: WordNet
noun
An improvement that makes something more agreeable [syn: enhancement, sweetening]

Definition of 'Enhancement'

From: GCIDE
  • Enhancement \En*hance"ment\, n. The act of increasing, or state of being increased; augmentation; aggravation; as, the enhancement of value, price, enjoyments, crime. [1913 Webster]