What does "legitimate" mean?

Additional senses

1. 2.Authorized; real; genuine; not false, counterfeit, or spurious; as, legitimate poems of Chaucer; legitimate inscriptions.
2. 3.Conforming to known principles, or accepted rules; as, legitimate reasoning; a legitimate standard, or method; a legitimate combination of colors. Tillotson still keeps his place as a legitimate English classic. Macaulay.
3. 4.Following by logical sequence; reasonable; as, a legitimate result; a legitimate inference.
4. 5.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. To enact a statute of that which he dares not seem to approve, even to legitimate vice. Milton.