The phrase "fixed for" can be replaced by a number of synonyms that convey similar meanings. These include words like arranged, set up, scheduled, organized, prepared, and established. Each of these words can be used to describe a situation where something has been arranged or planned in advance, such as a meeting, event, or appointment. The use of synonyms can be helpful when adding variety to your writing or when trying to avoid repetition. It is important to choose the right synonym based on the context of the sentence and the intended meaning, so that the word is used correctly and effectively.