the formal act of acquiring something (especially territory) by conquest or occupation; "the French annexation of Madagascar as a colony in 1896"; "a protectorate has frequently been a first step to annexation"
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
improvement (or an intended improvement) in the existing form or condition of institutions or practices etc.; intended to make a striking change for the better in social or political or religious affairs