Английский разговорный словарь (основной) - reformation

ˌrefəˈmeɪʃən n. the act of reforming or process of being reformed, esp. a radical change for the better in political or religious or social affairs. øthe Reformation hist. a 16th-c. movement for the reform of abuses in the Roman Church ending in the establishment of the Reformed and Protestant Churches. øøReformational adj. [ME f. OF reformation or L reformatio (as REFORM)]