Finalises is a verb that refers to the act of completing or concluding something. There are several synonyms for finalises, including finishes, ends, wraps up, completes, concludes, and brings to a close. Other possible synonyms include seals, clinches, settles, and resolves. All of these words refer to the act of putting an end to something, whether it's a task, a project, or a decision. Depending on the context, some synonyms may be more appropriate than others. Ultimately, the goal is to choose the word that best conveys the concept of closing or concluding something successfully and definitively.