Late 17th century (in an earlier sense). From Anglo-Norman and Law French justicement (French †justicement) administration or enforcement of justice from justicer + -ment.
Definition of justicement in US English:
justicement
nounˈdʒʌstɪsm(ə)nt
rare
Administration or enforcement of justice.
Origin
Late 17th century (in an earlier sense). From Anglo-Norman and Law French justicement (French † justicement) administration or enforcement of justice from justicer + -ment.