Antonyms of noun illegitimacy

1 of 2 senses of illegitimacy

Sense 2
illegitimacy -- (unlawfulness by virtue of not being authorized by or in accordance with law)
       Antonym of legitimacy (Sense 1)
      => legitimacy -- (lawfulness by virtue of being authorized or in accordance with law)

Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun illegitimacy

2 senses of illegitimacy

Sense 1
bastardy, illegitimacy, bar sinister -- (the status of being born to parents who were not married)
       => status, position -- (the relative position or standing of things or especially persons in a society; "he had the status of a minor"; "the novel attained the status of a classic"; "atheists do not enjoy a favorable position in American life")

Sense 2
illegitimacy -- (unlawfulness by virtue of not being authorized by or in accordance with law)
       => unlawfulness -- (the quality of failing to conform to law)