An architectural pillar is a vertical structural element that supports a building or structure. There are various synonyms for the term "architectural pillar" that can aid in the description of architectural elements. Some of these synonyms include column, post, pier, pillar, and support. All these synonyms have different connotations, which can cater to varying structures, designs, or styles. While "pillar" is a general term that refers to a vertical structure, "column" is often associated with ancient Greek and Roman architecture. "Support" and "post" may be used in more simplistic or functional structures. Regardless of which synonym is used, these architectural elements symbolize strength, stability, and durability in building design.