Power startup refers to a company or organization that is emerging as a leader in its respective industry. There are several synonyms that can be used to describe such a startup. For instance, a power startup can be referred to as a dominant player, a trailblazer, a disruptor, or a game-changer. Some other synonyms include a rising star, a force to be reckoned with, and a trendsetter. These terms all convey the idea of a startup that is poised for success and has the potential to transform the industry it operates in. Ultimately, the key characteristic of a power startup is its ability to challenge the status quo and bring innovative ideas to the forefront.