The term "etched stone" can refer to any stone surface that has been engraved or carved with design or lettering. There are countless synonyms that can be used to describe such a surface. Some of the most common ones include engraved, incised, carved, etched, chiseled, inscribed, embossed, and scribed. Other synonyms that may be used include grooved, scored, incised, engraved, scratched, stamped, or marked. Depending on the context in which the term "etched stone" is used, certain synonyms may be more appropriate than others. However, all of these terms convey the idea of a stone surface that has been carefully crafted with intricate designs or lettering.