revivalism

noun

1. (countable, uncountable)Advocacy for the revival of a former practice, custom, etc.

   “Art Deco revivalism”

2. (countable, uncountable)Spiritual fervour of or for a religious revival.

   “Neither the Revivalism that assails a boy at about the age of fifteen, nor the skepticism that meets him five years later, could sway him from his allegiance to the church into which he had been born.”