When it comes to describing a position that is advantageous or beneficial, there are a variety of synonyms to choose from. For example, you could describe a favourable position as being in a position of strength, or as having the upper hand. Other synonyms include advantageous, profitable, beneficial, and auspicious. Additionally, a position could be described as being in a prime location, or as having an enviable position. Ultimately, the specific synonym you choose will depend on the context in which you're using it, as well as the tone or emphasis you want to convey. However, by using these synonyms, you can add variety and nuance to your writing, and better convey your intended meaning.