The phrase "all people" is a broad term used to refer to humans as a whole. However, there are various synonyms one can use instead of "all people" to make their writing more engaging and descriptive. Some synonyms for "all people" include "humanity," "the human race," "the populace," "mankind," "society," "humankind," "the masses," and "the public." The use of synonyms can add value to the writing by making it sound more sophisticated while delivering the same message. Therefore, it is crucial to master and utilize synonyms while writing to avoid repetitive and bland language.