そう

really, (is that) so; yes, right

Also:(asserting) control, one's attendants, (serving at someone's) side

What does そう mean?

そう is a Japanese noun meaning really, (is that) so; yes, right in English. It can also be translated as (asserting) control, one's attendants, (serving at someone's) side depending on context. It is written as そう in hiragana, and sou in romaji. This word is part of JLPT N4 vocabulary.