substantive

US /səbˈstæn.t̬ɪv/
UK /səbˈstæn.t̬ɪv/
1.

实质性

having a firm basis in reality and therefore important, meaningful, or considerable.

:
there is no substantive evidence for the efficacy of these drugs
2.

实质性

having a separate and independent existence.

1.

实质性

a noun.