"rational" | Definition and Related Words

Adjective

Consistent with or based on or using reason (synset 301931771)
"rational behavior"; "a process of rational inference"; "rational thought"
also:
- logical - capable of or reflecting the capability for correct and valid reasoning
- reasonable, sensible - showing reason or sound judgment
- sane - mentally healthy; free from mental disorder
similar to:
- coherent, logical, lucid - capable of thinking and expressing yourself in a clear and consistent manner
- demythologised, demythologized - having mythical elements removed
- intelligent, reasoning, thinking - endowed with the capacity to reason
- reasonable, sane - marked by sound judgment
Of or associated with or requiring the use of the mind (synset 301784888)
"intellectual problems"; "the triumph of the rational over the animal side of man"

similar to: mental - involving the mind or an intellectual process

same as: intellectual, noetic
Capable of being expressed as a quotient of integers (synset 302941214)
"rational numbers"

referred to in: math, mathematics, maths - a science (or group of related sciences) dealing with the logic of quantity and shape and arrangement
Having its source in or being guided by the intellect (as distinguished from experience or emotion) (synset 301336070)
"a rational analysis"

similar to: intellectual - appealing to or using the intellect

Noun