\Cal"vin*ism\, n. [Cf. F. Calvinisme.] The theological tenets or doctrines of John Calvin (a French theologian and reformer of the 16th century) and his followers, or of the so-called calvinistic churches. Note: The distinguishing doctrines of this system, usually termed the five points of Calvinism, are original sin or total depravity, election or predestination, particular redemption, effectual calling, and the perseverance of the saints. It has been subject to many variations and modifications in different churches and at various times.