"Range over" is a versatile phrase that means to cover, span or extend across a wide area or variety of topics. There are numerous synonyms for this phrase, depending on the context in which it is used. Some common options include cover, encompass, traverse, scale, cross, span, sweep, explore, traverse and roam. Additionally, synonyms such as scan, peruse, survey, examine and scrutinize can be used to describe the process of thoroughly exploring or studying a range of topics. Whether used in written or spoken communication, "range over" synonyms can help add depth and richness to language and more accurately convey the intended message to the audience.