modern language / (especially in reference to Japanese) modern Japanese; Japanese in its current form, spoken since the Meiji era and based on the Tokyo dialect

(fandom slang) in fanwork, placing characters in a modern AU

"Modern kana usage", the method of using kana to write Japanese that has been used after the 1946 (post-war) Japanese national language reform. Unlike its predecessor, it is almost entirely phonetic, reflecting modern language with little ambiguity.

socialism

sociology

real world; society

social order

working adult

socially accepted sense or generally accepted views

social security