society (group of people sharing culture) / a class, a world of a certain group

Japan

(archaic) Japan

Short for 日本国 (Nihon-koku): Japan (a country and archipelago in East Asia) / a surname

pharmacotherapy (use of pharmaceuticals to treat disease)

acupuncture

social science

(archaic, colloquial) a nickname of Ariwara no Narihira, Heian-period waka poet

just as in the old days, just as it used to be

(archaic) used in the beginning of narratives or story literature: once upon a time, long ago