A thing that is accepted as true or as certain to happen, without proof.

— Lexico.com

Types of Assumptions

Paradigmatic assumptions

Worldly assumption that relate to how you see and order the world.

Prescriptive assumptions

What you think should happen in each situation.

Causal Assumptions

Related to how things work, and how you can impact those processes.

Source: https://elearningindustry.com/think-about-why-examining-assumptions-is-critical-to-intentional-practice