n.
1.improvement (or an intended improvement) in the existing form or condition of institutions or practices etc.
2.a religious movement of the 16th century that began as an attempt to reform the Roman Catholic Church and resulted in the creation of Protestant churches
3.rescuing from error and returning to a rightful course
Idiom of the Day
tie down (someone) or tie (someone) down
to keep someone from going somewhere or doing something, to limit or restrict someone's freedom to do something
The project tied my father down for three months. A family and a big mortgage tied the man down.