from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Improvement of one's condition through one's own efforts.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Following a disciplined programme to improve one’s physical health, mental health or character
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. the act of improving yourself
self- + improvement (Wiktionary)