abolitionary
adj. C1 Advanced abo·li·tionary
adj. relating to the act of officially ending a system or practice, like slavery or the death penalty.
adj. relating to the formal or legal removal of an institution, practice, or system. Often used in political or legal contexts to describe the process of ending something.
The abolitionary movement worked for many years.
The new law was an abolitionary step toward ending the outdated practice of forced labor.
Historians often debate whether the abolitionary measures were a sudden revolution or a gradual shift in public opinion over several decades.
From abolition + -ary.