The phrase "lie by" means to be located or situated near something else. Some synonyms for this term include "adjacent," "next to," "beside," "nearby," and "alongside." These words can be used interchangeably depending on the context of the sentence. For instance, if you are talking about a house that is located next to a park, you can use any of these synonyms without changing the meaning of the sentence. Using synonyms can help vary the language and make your writing more interesting to read.