n. a formal series of statements showing that if one thing is true something else necessarily follows from it

n. a measure of alcoholic strength expressed as an integer twice the percentage of alcohol present (by volume)

n. any factual evidence that helps to establish the truth of something; "if you have any proof for what you say, now is the time to produce it"

n. (printing) an impression made to check for errors

n. the act of validating; finding or testing the truth of something

v. make resistant (to harm); "proof the materials against shrinking in the dryer"

v. activate by mixing with water and sometimes sugar or milk; "proof yeast"

v. make or take a proof of, such as a photographic negative, an etching, or typeset

v. read for errors; "I should proofread my manuscripts"

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

adj. based on known statements or events or conditions; "rain was a logical expectation, given the time of year"

adj. referring to a higher level view of an object (logical vs physicals)

adj. (used in combination or as a suffix) able to withstand; "temptation-proof"; "childproof locks"

adj. based on known statements or events or conditions; "rain was a logical expectation, given the time of year"

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

n. an indication that makes something evident; "his trembling was evidence of his fear"

n. information that confirms or verifies

n. a collection of facts from which conclusions may be drawn; "statistical data"

n. a perceptible indication of something not immediately apparent (as a visible clue that something has happened); "he showed signs of strain"; "they welcomed the signs of spring"

adj. free from favoritism or self-interest or bias or deception; or conforming with established standards or rules; "a fair referee"; "fair deal"; "on a fair footing"; "a fair fight"; "by fair means or foul"

adj. involving inferences from general principles

adj. of reasoning; proceeding from particular facts to a general conclusion; "inductive reasoning"

adj. free from cloudiness; allowing light to pass through; "clear water"; "clear plastic bags"; "clear glass"; "the air is clear and clean"

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

adj. apparently reasonable and valid, and truthful; "a plausible excuse"

adj. free from favoritism or self-interest or bias or deception; or conforming with established standards or rules; "a fair referee"; "fair deal"; "on a fair footing"; "a fair fight"; "by fair means or foul"

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

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

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

adj. free from favoritism or self-interest or bias or deception; or conforming with established standards or rules; "a fair referee"; "fair deal"; "on a fair footing"; "a fair fight"; "by fair means or foul"

adj. having a legally established claim; "the legitimate heir"; "the true and lawful king"

adj. of marriages and offspring; recognized as lawful

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

adj. free from cloudiness; allowing light to pass through; "clear water"; "clear plastic bags"; "clear glass"; "the air is clear and clean"

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

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

adj. of a proposition whose truth value is determined by observation or facts; "`all men are arrogant' is a synthetic proposition"

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

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

adj. exhibiting native good judgment; "arrive home at a reasonable hour"; "commonsense scholarship on the foibles of a genius"; "unlearned and commonsensical countryfolk were capable of solving problems that beset the more sophisticated"

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. resistant to penetration by grease or oil or wax; "greaseproof wrapping paper"

adj. resistant to damage by moths

adj. impervious to being affected; "resistant to the effects of heat"; "resistant to persuasion"

adj. (of hosiery) resistant to runs or (in Britain) ladders

adj. impervious to, or not penetrable by, sound; "a soundproof room"

adj. executed with proper legal authority; "a binding contract"

adj. having legal efficacy or force; "a sound title to the property"

adj. logically valid; "a sound argument"

adj. declared or made legally valid; "a validated claim"

adj. perfectly consistent and coherent; "the novel's seamless plot"

n. any evidence that helps to establish the falsity of something

adj. lacking in correct logical relation

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