Syllogistical is an adjective that refers to an argument that follows a logical sequence of statements. Synonyms for syllogistical include rational, logical, reasonable, cogent, analytical, deductive, and inferential. These words describe an argument that is based on evidence and facts, rather than emotions or opinions. They are all related to the process of reasoning and making logical deductions. Syllogistical arguments are often used in philosophy, mathematics, and other fields that require precise and accurate thinking. Using synonyms for syllogistical can help to reinforce the importance of logical thinking and reasoning in any field where critical thinking is essential.