defelonize means to reduce the status of (a crime) such that it is no longer a felony.
Etymology
From de- + felon + -ize, apparently on the model of decriminalize.
verb
- To reduce the status of (a crime) such that it is no longer a felony.“His solution, however, was not to reform sentencing laws or decriminalize or defelonize nonviolent crimes, […]”