"Let It Be" is a calming and powerful phrase that implies accepting things as they are. However, there are several other synonyms that can be used instead of "let it be". One of the most common synonyms for this phrase is "let it go," implying to release your attachment or ownership to a specific situation. "Leave it be" is another synonym, meaning to let something remain as it is without any further action. "Accept it" is another synonym that shows the idea of surrendering or acknowledging what cannot be changed. Additionally, "don't sweat the small stuff" is also regarded as a synonym for "let it be" since it encourages individuals to focus on more significant issues.