1. to assume or claim as true without proof
Usage: formal

1. a statement or principle assumed to be true without proof
Usage: formal; mathematics

Examples

• The theory postulates that all matter is made of atoms.
• Scientists postulate the existence of dark matter to explain certain observations.
• The researcher postulated a connection between diet and mood.
• Euclid’s fifth postulate deals with parallel lines.
• The basic postulate of democracy is that all citizens are equal.
• This mathematical proof relies on several fundamental postulates.
• The philosopher postulated that knowledge comes from experience.