Some common synonyms of importance are consequence, moment, significance, and weight. While all these words mean "a quality or aspect having great worth or significance," importance implies a value judgment of the superior worth or influence of something or someone.

// a region with no cities of importance

While the synonyms significance and importance are close in meaning, significance implies a quality or character that should mark a thing as important but that is not self-evident and may or may not be recognized.

// the treaty's significance

The synonyms weight and importance are sometimes interchangeable, but weight implies a judgment of the immediate relative importance of something.

// the argument carried no weight with the judge