Definition of libertism in English:

libertism

noun

rare, historical
  • Free-thinking in religion; antinomianism; = "libertinism".

Origin

Mid 17th century; earliest use found in Late Eclipse Unclasped. Probably from liberty + -ism, or perhaps shortened from libertinism.

Pronunciation

libertism

/ˈlɪbətɪz(ə)m/