Synonyms for the word "sectionable" refer to the act of dividing or separating something into different parts or sections. One possible synonym is "segmentable", which emphasizes the concept of dividing an item or subject into distinct segments. Another term is "partitionable", conveying the idea of dividing a whole into smaller, individual parts or partitions. Additionally, the word "divisible" aligns with the notion of being able to separate or disassemble a whole. Lastly, "dividable" highlights the capacity to split or divide an entity into separate components or portions. These various synonyms effectively convey the concept of sectioning, enabling clearer communication and understanding within different contexts.