She defended rational selfishness as a moral framework that demands personal responsibility and productive achievement.

In the exam, the professor asked us to sketch the graphs of several rational functions to test our understanding of asymptotes.

Astronomers stood on the cliff, watching the rational horizon as the first stars emerged.

The neurologist explained that the patient's dizziness was considered a rational symptom, reported by the patient and not observable on examination.

Her decision to quit the program overnight seemed non-rational, baffling everyone who knew her careful nature.

Many suffragists adopted the rational dress to move freely and challenge restrictive Victorian fashions.

Doctors debated whether the patient's rational symptoms indicated a psychological cause.

Rational egoists often argue that pursuing one's own interests ultimately benefits society.

Economists often debate the stability of rational horizons in long-term models.

The court applied rational basis review to determine whether the statute was rationally related to a legitimate state interest.