Reformation means making changes to something with the intention of setting it back on the right path. Your life will be easier after the reformation of the transportation system, when the buses run more frequently.
The act or process of changing a religious, political, or societal institution for the better is called a reformation. When capitalized, the Reformation refers specifically to the Protestant Reformation in Europe, which was a religious change instigated in 1517 by Protestants who wished to reform the Catholic Church. The root of reformation is the Latin word reformare, which means to form again or to change.