- 1. (of an argument or point) having a sound basis in logic or fact; reasonable or cogent: "a valid criticism" Similar well foundedsoundwell groundedreasonable
adjective Definition of valid 1 as in logical according to the rules of logic your argument isn't valid because you're taking what should be the conclusion and using it as a premise Synonyms & Similar Words Relevance logical reasonable coherent rational good sensible analytic justifiable empirical sound empiric analytical well-founded consequent
Definitions of valid adjective well grounded in logic or truth or having legal force “a valid inference” “a valid argument” “a valid contract” Synonyms: legitimate of marriages and offspring; recognized as lawful reasonable, sensible showing reason or sound judgment binding executed with proper legal authority effectual, legal, sound
valid See definition of valid on Dictionary.com adj. right, genuine synonyms for valid Compare Synonyms accurate authentic binding compelling conclusive credible good lawful legal legitimate logical original persuasive solid true well-founded attested authoritative bona fide cogent confirmed convincing determinative efficacious efficient good-faith
Britannica Dictionary definition of VALID 1 [more valid; most valid] : fair or reasonable a valid argument valid concerns There is no valid reason to proceed with the change. [+] more examples 2 : acceptable according to the law a valid contract/license/deed/title You must present valid identification. Their marriage is not legally valid.
Jul 3, 2019 · Validity refers to how accurately a method measures what it is intended to measure. If research has high validity, that means it produces results that correspond to real properties, characteristics, and variations in the physical or social world. High reliability is one indicator that a measurement is valid.
valid adjective us / ˈvæl·ɪd / based on truth or reason; able to be accepted: The money was gone, and the only valid conclusion was that someone had stolen it. A valid document is legally acceptable, usually because it has been done according to official rules: You must have a valid driver’s license to drive a car. validity
val·id 1. Well grounded; just: a valid objection. 2. Producing the desired results; efficacious: valid methods. 3. Having legal force; effective or binding: a valid title. 4. Logic a. Containing premises from which the conclusion may logically be derived: a valid argument. b. Correctly... 5. Archaic ...