Syntaxis is a technical term used in language and linguistic contexts to refer to the grammatical arrangement of words or phrases in a sentence. Some synonyms for Syntaxis include syntax, structure, composition, form, order, arrangement, and construction. Essentially, all of these words refer to the organization of elements in a sentence and how they relate to one another. The specific word used may depend on the context and field, but they all convey the importance of understanding the rules and patterns of language. Good Syntaxis is necessary for clear and effective communication, regardless of the language being used.