adj. having its source in or being guided by the intellect (distinguished from experience or emotion); "a rational analysis"

adj. consistent with or based on or using reason; "rational behavior"; "a process of rational inference"; "rational thought"

adj. consistent with or based on or using reason; "rational behavior"; "a process of rational inference"; "rational thought"

adj. capable of being expressed as a quotient of integers; "rational numbers"

adj. of or associated with or requiring the use of the mind; "intellectual problems"; "the triumph of the rational over the animal side of man"

adj. marked by sound judgment; "sane nuclear policy"

adj. endowed with the capacity to reason

adj. of a proposition that is necessarily true independent of fact or experience; "`all spinsters are unmarried' is an analytic proposition"

adj. consistent with or based on or using reason; "rational behavior"; "a process of rational inference"; "rational thought"

adj. of a proposition that is necessarily true independent of fact or experience; "`all spinsters are unmarried' is an analytic proposition"

adj. consistent with or based on or using reason; "rational behavior"; "a process of rational inference"; "rational thought"

adj. exercising or showing good judgment; "healthy scepticism"; "a healthy fear of rattlesnakes"; "the healthy attitude of French laws"; "healthy relations between labor and management"; "an intelligent solution"; "a sound approach to the problem"; "sound advice"; "no sound explanation for his decision"

adj. based on sound reasoning or evidence; "well-founded suspicions"

adj. being within reasonable or average limits; not excessive or extreme; "moderate prices"; "a moderate income"; "a moderate fine"; "moderate demands"; "a moderate estimate"; "a moderate eater"; "moderate success"; "a kitchen of moderate size"; "the X-ray showed moderate enlargement of the heart"

adj. financially secure and safe; "sound investments"; "a sound economy"

adj. of or being or relating to or involving cognition; "cognitive psychology"; "cognitive style"

adj. capable of being defended

adj. showing reason or sound judgment; "a sensible choice"; "a sensible person"

adj. being in a state of proper balance or equilibrium; "the carefully balanced seesaw"; "a properly balanced symphony orchestra"; "a balanced assessment of intellectual and cultural history"; "a balanced blend of whiskeys"; "the educated man shows a balanced development of all his powers"

adj. not mentally confused; able to think clearly and act intelligently

adj. highly cultured or educated; "highbrow events such as the ballet or opera"; "a highbrowed literary critic"

adj. devoted to matters of the mind; "the reflective type"

adj. appealing to the mind; "good music"; "a serious book"

adj. intellectually appealing; "a sophisticated drama"

adj. proceeding to a conclusion by reason or argument rather than intuition

adj. logically deductive; "formal proof"

adj. based on exact thinking; "one's ratiocinative powers"

adj. marked by an orderly, logical, and aesthetically consistent relation of parts; "a coherent argument"

adj. capable of or reflecting the capability for correct and valid reasoning; "a logical mind"

adj. showing reason or sound judgment; "a sensible choice"; "a sensible person"

adj. mentally healthy; free from mental disorder; "appears to be completely sane"

adj. mental or emotional as opposed to physical in nature; "give psychological support"; "psychological warfare"

adj. mental or emotional rather than physiological in origin; "a psychogenic disorder"

adj. of sound mind, memory, and understanding; in law, competent to got to trial

adj. having a clear mind; "a lucid moment in his madness"

adj. mentally quick; "an agile mind"; "nimble wits"

adj. mentally responsive; "an alert mind"

adj. quick to understand; "a kind and apprehensive friend"- Nathaniel Hawthorne

adj. mentally quick and resourceful; "an apt pupil"; "you are a clever man...you reason well and your wit is bold"-Bram Stoker

adj. having or marked by unusual and impressive intelligence; "some men dislike brainy women"; "a brilliant mind"; "a brilliant solution to the problem"

adj. characterized by quickness and ease in learning; "some children are brighter in one subject than another"; "smart children talk earlier than the average"

adj. having a keen intellect; "poets--those gifted strangely prehensile men"- A.T.Quiller-Couch

adj. having keenness and forcefulness and penetration in thought, expression, or intellect; "searching insights"; "trenchant criticism"

adj. brilliantly clever; "scintillating wit"; "a play full of scintillating dialogue"

adj. lacking in correct logical relation

adj. not consistent with or using reason; "irrational fears"; "irrational animals"

adj. lacking in correct logical relation

adj. not reasonable; not showing good judgment

adj. not based on reason or evidence; "blind hatred"; "blind faith"; "unreasoning panic"

adj. real but not expressible as the quotient of two integers; "irrational numbers"

adj. involving the body as distinguished from the mind or spirit; "physical exercise"; "physical suffering"; "was sloppy about everything but her physical appearance"

adj. unrestrained, especially with regard to feelings; "extravagant praise"; "exuberant compliments"; "overweening ambition"; "overweening greed"

adj. affected with madness or insanity; "a man who had gone mad"

adj. insane and believed to be affected by the phases of the moon