revivalism

noun

use of visual styles in architecture that echo the style of a previous architectural era

Wiktionary

noun

Etymology: Etymology tree English revival Proto-Indo-European *-id- Proto-Indo-European *-yéti Proto-Indo-European *-idyéti Proto-Hellenic *-íďďō Ancient Greek -ῐ́ζω (-ĭ́zō) Proto-Indo-European *-mos Proto-Indo-European *-mós Ancient Greek -μός (-mós) Ancient Greek -ισμός (-ismós)der. English -ism English revivalism From revival + -ism.

Advocacy for the revival of a former practice, custom, etc.
“Art Deco revivalism”
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.”