Enthymematic, which refers to a shortened form of reasoning, has a few synonyms that can help convey a similar idea. One such word is "elliptical," which describes a communication style that omits unnecessary words and relies heavily on context. Another synonym is "implicit," which suggests that the reasoning is not fully stated but can be inferred from the context or shared knowledge. "Syllogistic" is another related word that describes reasoning with a major and minor premise leading to a conclusion. "Allusive" and "oblique" can also be used to describe reasoning that is not stated directly but is hinted at or implied.