rational
ra·tio·nal
adjective
consistent with or based on or using reason
- “rational behavior”
- “a process of rational inference”
- “rational thought”
of or associated with or requiring the use of the mind
- “intellectual problems”
- “the triumph of the rational over the animal side of man”
having its source in or being guided by the intellect (distinguished from experience or emotion)
- “a rational analysis”
Origin
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.
Phrases
- rational basis review
- rational choice theory
- rational dress
- rational egoism
- rational egoist
- rational function
- rational horizon
- rational numbers
Related words
Word family
See also
Pertaining to
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.