Webster's Revised Unabridged Dictionary · 1913

Pietism

Pietism (pī"e*tiz'm) , noun

[Compare German pietismus, French piétisme.]

1.
The principle or practice of the Pietists.
2.
Strict devotion; also, affectation of devotion.
The Schone Seele, that ideal of gentle pietism, in “Wilhelm Meister.” — W. Pater