The crossword solution for the term 'Criminal or Civil Study, in Law' is 'PROCEDURE, ' which is a nine-letter word. PROCEDURE in law refers to the rules and regulations that govern how legal proceedings are conducted. It includes the steps taken to initiate, manage, and conclude a legal action. PROCEDURE in criminal law involves the investigation of a crime, the arrest of a suspect, the trial, and the sentencing. In civil law, PROCEDURE involves the filing of a complaint, the discovery process, the trial, and the judgment.