Operational research is a term often used in the business and scientific communities to describe the process of analyzing data and making decisions based on that analysis. There are a variety of synonyms for the term "operational research," depending on the context in which it is used. Some of the most common synonyms include operations research, decision science, management science, and quantitative analysis. These terms all refer to the practice of using statistical and mathematical methods to gain insights into complex systems, and to use that information to improve decision-making processes. Whether you are in the business world or the scientific community, operational research (or one of its many synonyms) is an essential tool for success.