Intervention
Part of speech: noun
Definition: The action of intervening; interfering in some course of events. A legal motion through which a person or entity who has not been named as a party to a case seeks to have the court order that they be made a party.
Treatment
Part of speech: noun
Definition: The process or manner of treating someone or something.Medical care for an illness or injury.The use of a substance or process to preserve or give particular properties to something.A treatise; a formal written description or characterization of a subject.