Laccolith is a geological term used to describe a dome-shaped intrusion of igneous rocks formed from magma. While this term might be commonly used by geologists, there are also other synonyms that can be used to describe the same formation. For instance, some of the commonly used terms that can be used to replace laccolith include magma dome, dome mountain, and uplifted bed. Other similar terms that can replace the word laccolith include batholith, dike, and sill, which also describe different types of geological formations that are formed from magma. Overall, these synonyms can help to provide a better understanding of geological processes and the different types of rock formations that exist.