The publication of Emerson's 1836, essay Nature is usually taken to be the watershed moment at which Transcendentalism became a major cultural movement.
Another alternative meaning for transcendentalism is the classical philosophy that God transcends the manifest world.
The term, transcendentalism is sometimes used to represent "transcendental idealism," which is the philosophy of Immanuel Kant and later Kantian and German Idealist philosophers.
Transcendentalism was a group of new ideas in literature, religion, culture, and philosophy that emerged in New England in the early to mid-nineteenth century.
American transcendentalism emerged in New England Congregationalist churches that rejected the eighteenth century revival movement in favor of moderation, reason, and morals.