late 14c., creacioun, "action of creating or causing to exist," also "a created thing, that which is created," from Old French creacion "creation, a coming into being" (14c., Modern French création), from Latin creationem (nominative creatio) "a creating, a producing," in classical use "an electing, appointment, choice," noun of action from past-participle stem of creare "to make, bring forth, produce, beget," from PIE root *ker- (2) "to grow."
Meaning "that which God has created, the universe, the world and all in it" is from 1610s. The native word in the Biblical sense was Old English frum-sceaft. Of fashion costumes, desserts, etc., "that which has been produced by human art or skill," by 1870s, from French.