Corrected; amended; restored to purity or excellence; said, specifically, of the whole body of Protestant churches originating in the Reformation. Also, in a more restricted sense, of those who separated from Luther on the doctrine of consubstantiation, etc., and carried the Reformation, as they claimed, to a higher point. The Protestant churches founded by them in Switzerland, France, Holland, and part of Germany, were called the Reformed churches.
source: Webster 1913
adjective satellite
of or relating to the body of Protestant Christianity arising during the Reformation; used of some Protestant churches especially Calvinist as distinct from Lutheran
Dutch Reformed theology.
source: WordNet 3.0
caused to abandon an evil manner of living and follow a good one