When we want to communicate something to someone, we often use the phrase "let someone know." However, there are many other ways to express this idea. To inform someone, to advise, to apprise, to notify, to disclose, and to communicate are all synonyms for "let someone know." Other options include to share, to convey, to impart, to reveal, to divulge, to pass on, to announce, and to spread the word. Different contexts may call for different word choices, but using a variety of vocabulary can make our communication more interesting and effective.