CalvinismPronunciation: /ˈkalvɪnɪz(ə)m/Definition of Calvinism noun [mass noun] the Protestant theological system of John Calvin and his successors, which develops Luther’s doctrine of justification by faith alone into an emphasis on the grace of God and centres on the doctrine of predestination. Derivatives Calvinist noun CalvinisticPronunciation: /-ˈnɪstɪk/ adjective CalvinisticalPronunciation: /-ˈnɪstɪk(ə)l/ adjective Calvinism in other Oxford dictionaries Definition of Calvinism in the US English dictionary