adj. legally valid; "a rightful inheritance"

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

adj. well grounded in logic or truth or having legal force; "a valid inference"; "a valid argument"; "a valid contract"; "a valid license"

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. logically valid; "a sound argument"

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

adj. characteristic of or befitting a person in authority; "formal duties"; "an official banquet"

adj. established by or founded upon law or official or accepted rules

adj. free from error; especially conforming to fact or truth; "the correct answer"; "the correct version"; "the right answer"; "took the right road"; "the right decision"

adj. in conformance with justice or law or morality; "do the right thing and confess"

adj. correct in opinion or judgment; "time proved him right"

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

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

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. acceptable to your conscience

adj. being precisely fitting and right; "it is only meet that she should be seated first"

adj. given or inflicted in requital according to merits or deserts; "retributive justice"

adj. born in wedlock; enjoying full filial rights

adj. (of marriages) of a marriage between one of royal or noble birth and one of lower rank; valid but with the understanding that the rank of the inferior remains unchanged and offspring do not succeed to titles or property of the superior