What is another word for let by?
Pronunciation: [lˈɛt bˈa͡ɪ] (IPA) 
The phrase "let by" refers to the act of allowing something to pass without interference. There are several synonyms for this phrase, including "ignore," "overlook," "disregard," "forgive," and "pass over." These words all convey the idea of intentionally choosing not to intervene or take action, often in the context of forgiving an offense or overlooking a mistake. However, the specific choice of synonym can also convey subtly different meanings and implications. For example, "ignore" suggests purposely avoiding attention, while "forgive" implies a willingness to let go of resentment or anger toward the offender.
