nootrope
n.— «If you haven’t already heard the term nootrope, better jot it down. Chances are you’ll hear it a lot in the future. A marriage of the Greek words noos, for “mind,” and tropein, for “toward,” it refers to drugs that enhance mental performance—popularly known as smart drugs.» —“Can You Find Concentration in a Bottle?” by Unmesh Kher Time Jan. 16, 2006. (source: Double-Tongued Dictionary)