Intelligible
Understandable; comprehensible; knowable; meaningful;
Orderly; logical; coherent; rational;
Communicable; expressible;
Having unity of principle; capable of complete rational explanation or understanding; capable of causal explanation;
Clear to natural or pure reason; apprehensible by the intellect (q.v.) only as against apprehensible through the senses; conceptual as against perceptual; conceptually describable or explainable;
Capable of being known synoptically or as it is in itself or in essence; capable of being known through itself as against by agency of something else; graspable by in tuition, self-explanatory;
Capable of being appreciated or sympathized with;
Super-sensible; of the nature of mind, reason, or their higher powers. .
— M.T.K