legitimate

noun
  1. 1

    A person born to a legally married couple.

verb
  1. 1

    To make legitimate, lawful, or valid; especially, to put in the position or state of a legitimate person before the law, by legal means.

Synonyms

adjective
  1. 1

    In accordance with the law or established legal forms and requirements.

  2. 2

    Conforming to known principles, or established or accepted rules or standards; valid.

    โ€œlegitimate reasoning; a legitimate standard or methodโ€

  3. 3

    Authentic, real, genuine.

    โ€œlegitimate poems of Chaucer; legitimate inscriptionsโ€

  4. 4

    Lawfully begotten, i.e., born to a legally married couple.

  5. 5

    Relating to hereditary rights.

Source: https://en.wiktionary.org/wiki/legitimate