reform
Definitions
To make changes in something, typically a social, political, or economic institution or practice, in order to improve it.
To improve one's own behavior or habits, especially by abandoning a negative or criminal lifestyle.
The improvement or amendment of what is wrong, corrupt, or unsatisfactory.
Examples
The government plans to implement a major reform of the healthcare system.
Many citizens are calling for a complete reform of the current tax laws.
The school board decided to reform the curriculum to better prepare students for the future.