'Quakerism' definitions:

Definition of 'Quakerism'

(from WordNet)
noun
The theological doctrine of the Society of Friends characterized by opposition to war and rejection of ritual and a formal creed and an ordained ministry

Definition of 'Quakerism'

From: GCIDE
  • Quakerism \Quak"er*ism\, n. The peculiar character, manners, tenets, etc., of the Quakers. [1913 Webster]