He made a rational decision based on the facts.

Rationality is the key to making logical decisions.

The soldiers were given a daily ration of food.

Rationalism is the belief that reason is the primary source of knowledge and truth.

The company implemented a rationalization plan to streamline its operations.

He tried to rationalize his behavior by saying he was just tired.

He is a rationalizer who always looks for ways to streamline processes.

The government rationed meat during the war.

A rational number is a number that can be expressed as a fraction.

During World War II, people in the United Kingdom had to use a ration book to purchase limited amounts of food.