face (v.)youdaoicibaDictYouDict
"confront with assurance; show a bold face," mid-15c., from face (n.). From c. 1400 as "deface, disfigure." Meaning "to cover with something in front" is from 1560s; that of "turn the face toward" is from 1630s; meaning "be on the opposite page to" is from 1766. Intransitive sense "to turn the face" (especially in military tactics) is from 1630s. Related: Faced; facing. To face the music (1850, in U.S. Congressional debates) probably is theatrical rather than a reference to cavalry horses.