rational as a noun: - 1
as an adjective: - 1
- 2
- 3
- 4
rational
noun
1 rational
adjective
1 rational
Consistent with or based on or using reason.
Roget 84:
numeral,
complementary,
divisible,
aliquot,
reciprocal,
prime,
relatively prime,
fractional,
decimal,
figurate†,
incommensurable.
proportional,
exponential,
logarithmic,
logometric†,
differential,
fluxional†,
integral,
totitive†.
positive,
negative;
rational,
irrational;
surd,
radical,
real;
complex,
imaginary;
finite;
infinite;
impossible.
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Roget 502:
sane,
rational,
reasonable,
compos mentis,
of sound mind;
sound,
sound-minded;
lucid.
self-possessed;
sober,
sober-minded.
in one's sober senses,
in one's right mind;
in possession of one's faculties.
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Roget 498:
intelligent
[Applied to persons],
quick of apprehension,
keen,
acute,
alive,
brainy,
awake,
bright,
quick,
sharp;
quick witted,
keen witted,
clear witted,
sharp-eyed,
sharp sighted,
sharp witted;
wide-awake;
canny,
shrewd,
astute;
clear-headed;
farsighted
etc.
510;
discerning,
perspicacious,
penetrating,
piercing;
argute†;
quick-witted,
nimble-witted,
needle-witted;
sharp as a needle,
sharp as a tack;
alive to
etc.
(cognizant)
490;
clever
etc.
(apt)
698;
arch
etc.
(cunning)
702;
pas si bete [Fr.];
acute
etc.
682.
wise,
sage,
sapient,
sagacious,
reasonable,
rational,
sound,
in one's right mind,
sensible,
abnormis sapiens [Lat.],
judicious,
strong-minded.
unprejudiced,
unbiased,
unbigoted†,
unprepossessed†;
undazzled†,
unperplexed†;
unwarped judgment†,
impartial,
equitable,
fair.
cool;
cool-headed,
long-headed,
hardheaded,
strong-headed;
long-sighted,
calculating,
thoughtful,
reflecting;
solid,
deep,
profound.
oracular;
heaven-directed,
heaven-born.
prudent
etc.
(cautious)
864;
sober,
stand,
solid;
considerate,
politic,
wise in one's generation;
watchful
etc.
459;
provident
etc.
(prepared)
673;
in advance of one' age;
wise as a serpent,
wise as Solomon,
wise as Solon.
[Applied to actions]
wise,
sensible,
reasonable,
judicious;
well-thought-out,
well-planned,
well-judged,
well-advised;
prudent,
politic;
expedient
etc.
646.
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Polish: racjonalny
2 rational
Of or associated with or requiring the use of the mind:
— The triumph of the rational over the animal side of man.
synonyms: intellectual, noetic.
Roget 450:
intellectual
[Relating to intellect],
mental,
rational,
subjective,
metaphysical,
nooscopic†,
spiritual;
ghostly;
psychical†,
psychological;
cerebral;
animastic†;
brainy;
hyperphysical†,
superphysical†;
subconscious,
subliminal.
immaterial
etc.
317;
endowed with reason.
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Polish: intelektualny
3 rational
Capable of being expressed as a quotient of integers.
Polish: stosunkowy
4 rational
Having its source in or being guided by the intellect (as distinguished from experience or emotion).
Polish: rozumowy
Moby thesaurus: acceptable, admissible, algorismic, algorithmic, aliquot, all there, analytic, balanced, bright, calm, cardinal, cerebral, circumspect, clear-eyed, clearheaded, clearminded, cogent, commonsense, compos mentis, conceptive, conceptual, consequent, cool, coolheaded, credible, decimal, differential, digital, discriminating, discursive, down-to-earth, earthy, endopsychic, enlightened, even, everyday, exponential, figural, figurate, figurative, finite, fractional, hardheaded, healthy-minded, ideational, imaginary, impair, impossible, infinite, informed, integral, intellectual, intelligent, internal, irrational, judicious, just, justifiable, knowing, knowledgeable, legitimate, level-headed, levelheaded, logarithmic, logical, logometric, lucid, matter-of-fact, mental, mentally sound, negative, noetic, noological, normal, not so dumb, numeral, numerary, numerative, numeric, odd, of sound mind, ordinal, pair, philosophical, phrenic, plausible, positive, positivistic, possible, practical, practical-minded, pragmatic, prime, prudent, psychic, psychologic, radical, ratiocinative, ratiocinatory, real, realist, realistic, reasonable, reasoning, reciprocal, right, sane, sane-minded, scientific, scientistic, secular, sensible, sober, sober-minded, sophic, sound, sound-minded, sound-thinking, spiritual, stable, straight-thinking, strong-minded, subjective, submultiple, surd, thinking, together, transcendental, understanding, unideal, unidealistic, unromantic, unsentimental, well-argued, well-balanced, well-founded, well-grounded, wholesome, wise, worldly ... show more.
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