Tagmemic grammar is a linguistic theory that proposes the division of language into smaller units called tagmemes. However, tagmemic grammar has several synonyms that are commonly used in linguistic discourse. One of them is structuralism, which focuses on the analysis of language structures instead of the meanings of words and sentences. Another synonym is generative grammar, which is a theory that posits that language is generated by a set of rules in the human brain. Transformational grammar is another synonym, which refers to the rules that transform a sentence from one form to another. Additionally, dependency grammar and cognitive grammar are also synonymous with tagmemic grammar, describing different approaches to language analysis and understanding.