mythos
Definitions
A set of beliefs or stories about a particular person, institution, or event, especially when exaggerated or fictitious.
The underlying system of beliefs or narrative structure characteristic of a specific culture, religion, or literary work.
Examples
The author spent years crafting a complex mythos for her fantasy novel series.
The ancient civilization built its entire culture around a rich and mysterious mythos.
Modern cinema often draws upon the hero's journey to establish a new cinematic mythos.