The phrase "be spliced" refers to the process of joining two or more things together, usually by cutting and intertwining them. Some synonyms for this term include "splice together," "connect," "join," "link," "fuse," "merge," "unite," "combine," and "blend." Each of these words has a slightly different connotation, but they all share the idea of creating a single entity out of multiple parts. In many cases, the meaning of "be spliced" can be conveyed through a variety of other verbs depending on the specific context, so it's important to choose the most appropriate word based on the intended message.