There are plenty of synonyms that you can use instead of 'chaperoned'. Some of the commonly used synonyms for this word are supervised, accompanied, watched over, escorted, protected, assisted, guided, guarded, monitored, and overseen. These words basically imply the same meaning as that of the word 'chaperoned'. When you use these synonyms in your sentences, it gives more variety and helps you avoid repetition. Synonyms can be used interchangeably, depending on the context and the tone of the sentence that you are trying to convey. Using synonyms can greatly improve the quality of your writing by making your content more engaging and interesting to the reader.