rational

[rash-uh-nl, rash-nl] / ˈræʃ ə nl, ˈræʃ nl /

ADJECTIVE

realistic; of sound mind

Synonyms

STRONGEST

analytical balanced deliberate enlightened impartial intelligent judicious levelheaded logical lucid normal prudent reasonable sane sensible sober stable thoughtful wise

STRONG

calm cool intellectual knowing objective reasoning sound synthetic thinking

WEAK

all there cerebral circumspect cognitive collected deductive discerning discriminating far-sighted perspicacious philosophic ratiocinative reflective sagacious together well-advised

Antonyms

STRONGEST

careless confused foolish idiotic illogical insane irrational nonsensical senseless stupid thoughtless unbalanced unintelligent unreasonable unstable unsystematic unwise

STRONG

agitated excited

WEAK

ridiculous unrealistic unsound

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

From a purely rational perspective, this is bad politics.

From Salon

The public’s declining faith in higher education is rational.

From The Wall Street Journal

For manufacturers, having stable evidence-based recommendations is the foundation of rational capital allocation.

From MarketWatch

“Today, national projects, including Syria, are more viable, more rational, more wise,” Davutoğlu said.

From The Wall Street Journal

They also sell because of rational fear: The fear that it could fall further, and not recover in time.

From MarketWatch