A tableau is a dramatic picture. If you catch a glance into the Oval Office and see top advisers speaking to each other with intensity, you behold a dramatic political tableau . A tableau is a scene or picture, often from history, mythology, or religion, that is shown by people in costumes who do not move. Learn more about the word origin, synonyms, examples, and usage of tableau in different contexts. Tableau is a leading data visualization tool that help users to create interactive and insightful visualizations from data. With Tableau we can transform raw data into meaningful visuals without the need for coding. This tutorial will guide us through data visualization using Tableau like connecting to different data sources, creating interactive charts and dashboards to advanced features like calculations and forecasting. Tableau definition : a picture, as of a scene.. See examples of TABLEAU used in a sentence.