rational

nouns

an integer or a fraction
rational, rational number

adjectives

consistent with or based on or using reason
"rational behavior"; "a process of rational inference"; "rational thought"
rational
is derived from
rationalness
is derived from
rationality
antonym
irrational
is similar to
capable of thinking and expressing yourself in a clear and consistent manner
"a lucid thinker"; "she was more coherent than she had been just after the accident"
coherent, logical, lucid
is similar to
having mythical elements removed
demythologised, demythologized
is similar to
endowed with the capacity to reason
intelligent, reasoning, thinking
is similar to
marked by sound judgment
"sane nuclear policy"
reasonable, sane
see also
capable of or reflecting the capability for correct and valid reasoning
"a logical mind"
logical
see also
showing reason or sound judgment
"a sensible choice"; "a sensible person"
reasonable, sensible
see also
mentally healthy; free from mental disorder
"appears to be completely sane"
sane
of or associated with or requiring the use of the mind
"intellectual problems"; "the triumph of the rational over the animal side of man"
intellectual, noetic, rational
is derived from
rationality
capable of being expressed as a quotient of integers
"rational numbers"
rational
is derived from
rationalness
antonym
irrational
pertains to
ratio
domain category
a science (or group of related sciences) dealing with the logic of quantity and shape and arrangement
math, mathematics, maths
having its source in or being guided by the intellect (as distinguished from experience or emotion)
"a rational analysis"
rational
is derived from
rationalness
is derived from
rationality
is similar to
appealing to or using the intellect
"satire is an intellectual weapon"; "intellectual workers engaged in creative literary or artistic or scientific labor"; "has tremendous intellectual sympathy for oppressed people"; "coldly intellectual"; "sort of the intellectual type"; "intellectual literature"
intellectual