accordant with law or with established legal forms and requirements; lawful; as, legitimate government; legitimate rights; the legitimate succession to the throne; a legitimate proceeding of an officer; a legitimate heir.-lawfully begotten; born in wedlock.-authorized; real; genuine; not false, counterfeit, or spurious; as, legitimate poems of chaucer; legitimate inscriptions.-conforming to known principles, or accepted rules; as, legitimate reasoning; a legitimate standard, or method; a legitimate combination of colors.-following by logical sequence; reasonable; as, a legitimate result; a legitimate inference.-to make legitimate, lawful, or valid; esp., to put in the position or state of a legitimate person before the law, by legal means; as, to legitimate a bastard child.