the GNU version of the Collaborative International Dictionary of English
n. The act of increasing, or state of being increased; augmentation; aggravation.
The Century Dictionary and Cyclopedia
n. The act of enhancing, or the state of being enhanced; increase in degree or extent; augmentation; aggravation: as, the enhancement of value, price, enjoyment, pleasure, beauty, evil, grief, punishment, crime, etc.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. an improvement that makes something more agreeable
Word Usage
"I use the term enhancement instead of enlargement for breasts because the suggestions should include body image visualizations and firming and strengthening in the muscles to support the breasts as well as a shapely form."