The word "rising" refers to something going up or increasing. However, there are several synonyms for this word that can add a rich and varied vocabulary to your writing. Some of these synonyms include soaring, climbing, escalating, surging, swelling, ascending, mounting, and progressing. These words can be used interchangeably depending on the context of your sentence. For instance, soaring can be used to describe the flight of a bird while climbing can refer to a person ascending a hill. Alternatively, swelling can describe the increase in size while surging can refer to a sudden or intense increase. Using these synonyms can add diversity to your writing and make your prose more engaging and impactful.