Distinguish  v. 1 (often foll. By from, between) differentiate; see or draw distinctions. 2 be a mark or property of; characterize. 3 discover by listening, looking, etc. 4 (usu. Refl.; often foll. By by) make prominent (distinguished himself by winning).  distinguishable adj. [latin: related to *dis-, stinguo stinct- extinguish]