The phrase "set to" can be a bit ambiguous, as it can refer to a variety of actions and states. Luckily, there are many synonyms for this phrase that can help clarify its meaning. For example, "begin" or "commence" can be used to describe starting a task or project, while "prepare" or "arrange" indicate getting ready or putting things in order. "Engage in" or "participate in" can be used to describe an activity or event, while "fight" or "confront" describe a more confrontational or adversarial situation. Other possible synonyms for "set to" include "beginning", "proceeding", "igniting", and "launching". Ultimately, the best synonym will depend on the specific context in which the phrase is used.