Definition

A basic principle or assumption that is accepted without proof, often used as a starting point for reasoning or argument.

Example

The theory is based on the postulate that all humans are rational beings.

Conversation

I was reading about some theories in science, and they mentioned a crucial postulate that everything is made of atoms.

Oh really? That's interesting! What was the postulate about?

It basically assumes that atoms are the fundamental building blocks of matter.

That makes sense; it's a basic idea that supports so many other concepts.

Synonyms & Antonyms

Definition

To assume something to be true or to take it for granted, often as a basis for further reasoning or argument.

Example

In his theory, he postulates that all living things evolve over time.

Tense Forms

Conversation

Did you hear about the new theory they postulate in class today?

Yeah, it sounds really interesting!

I wonder if they can actually prove the ideas they postulate.

Root Explanation

Postulate → It is formed from "postulare" (meaning to demand or ask) and the suffix "-ate" (indicating to make or cause). The word "postulate" means to demand or assume something as a basis for reasoning or argument.

Memory Tip

Think of making a 'demand' ('postulare') for something to be accepted as true — that's what postulate means.

Visually Confused Words