rational
n.n. based on clear thinking and facts rather than on emotions. You use this to describe a person who makes sensible choices or a decision that makes sense.
n. based on or in accordance with reason or logic. Describes a person's cognitive process or the quality of an argument; often contrasted with emotional or intuitive responses.
He made a rational decision to save his money.
In a crisis, it is difficult to remain rational and avoid making decisions based on fear.
The economist argued that while individuals aim to be rational, their choices are often limited by the information available to them at the time.
From Old French rationel, rational, from Latin rationalis (“of or belonging to reason, rational, reasonable; having a ratio”), from ratio (“reason; calculation”).
From Old French rational, from Medieval Latin rationale (“a pontifical stole, a pallium, an ornament worn over the chasuble”), neuter of Latin rationalis (“rational”), for which see the first etymology. Translation of λογεῖον (logeîon) or perhaps λόγιον (lógion, “oracle”) in the Septuagint version of Exodus 28.
Typically used as an attributive adjective before a noun or as a predicative adjective after a linking verb.
the rational of the planthe rationale of the planLearners often confuse the adjective 'rational' with the noun 'rationale', which means the underlying reason for something.