This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

v. Third-person singular simple present indicative form of urbanize.

"But a rising chorus of experts says man-made factors have greatly exacerbated the problems—especially the growing concentration of people in vulnerable areas as Southeast Asia urbanizes."

urbanized    urbanizes    urbanizing   

change    modify    alter   

refine    polish   

suburbanize