The term "most architectonic" is typically used to describe a structure or design that is highly detailed and visually geometric. However, there are several synonyms that can be used to describe the same concept. These include terms such as "stately," "monumental," "grandiose," and "ornamental." Each of these words describes an architectural style that is ornate and detailed, with an emphasis on symmetry and order. Additionally, terms like "majestic," "regal," and "palatial" can also be used to describe architecturally significant designs that showcase a unique level of attention to detail and craftsmanship. Ultimately, when choosing a synonym for "most architectonic," it's important to consider the specific context in which the term is being used to ensure that the selected synonym is both accurate and appropriate.