There aren't any widely recognized synonyms for the word "CGASE." The term is likely an acronym or abbreviation for a specialized term used in a particular context or industry. Without further context, it is difficult to determine what the term might reference. However, if we consider the phonetic sound of the word "CGASE," some potential synonyms that could be used in a creative or poetic context might include phrases or words with a similar sound, such as cascade, encase, vase, chase, or mace. Nonetheless, these terms do not necessarily mean the same as CGASE, and it would depend on the context in which they were used.