Antonyms of noun unlawfulness

1 sense of unlawfulness

Sense 1
unlawfulness -- (the quality of failing to conform to law)
       Antonym of lawfulness (Sense 1)
      => lawfulness -- (the quality of conforming to law)

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

1 sense of unlawfulness

Sense 1
unlawfulness -- (the quality of failing to conform to law)
       => quality -- (an essential and distinguishing attribute of something or someone; "the quality of mercy is not strained"--Shakespeare)