To exercise authority or control over a group, area, or people. The king ruled the kingdom with fairness and justice.
To make a formal decision or judgment, especially in a legal context. The judge ruled in favor of the defendant after reviewing the evidence.
To be the most important or dominant factor in a situation. In the world of fashion, trends often rule the market.
To mark a line or lines on a surface with a ruler or similar tool. She ruled the paper to create a grid for her artwork.