from The American Heritage® Dictionary of the English Language, 4th Edition
- transitive v. To make (an urban area, for example) attractive to young affluent residents or consumers.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- v. To redevelop (an urban area or commercial premises) so as to attract affluent young professionals as residents or clientele.
yuppie + -fy.(American Heritage® Dictionary of the English Language, Fourth Edition)
yuppie + -ify (Wiktionary)