(proceedings is a kind of ...) (law) the administration of justice according to established rules and principles; based on the principle that a person cannot be deprived of life or liberty or property without appropriate legal procedures and safeguards
(... is a kind of proceedings ) (law) a legal proceeding in which the appellant resorts to a higher court for the purpose of obtaining a review of a lower court decision and a reversal of the lower court's judgment or the granting of a new trial
(... is a kind of proceedings ) a legal proceeding that creates a parent-child relation between persons not related by blood; the adopted child is entitled to all privileges belonging to a natural child of the adoptive parents (including the right to inherit)
(... is a kind of proceedings ) (law) a proceeding that permits a person to enter into a lawsuit already in progress; admission of person not an original party to the suit so that person can protect some right or interest that is allegedly affected by the proceedings
"the purpose of intervention is to prevent unnecessary duplication of lawsuits"