Philter

philter \ˈfil-tər\ noun: 1. a potion credited with magical power, 2. a potion, drug or charm held to have the power to arouse sexual passion

Etymology: Middle French philtre, from Latin philtrum, from Greek philtron

Proper use of a swept audio filter in certain genres of popular music can cause positive excitation in a listener, although filter does not share an etymological root with philter.