2137720 jmdict A [id=2279098]
然う[rK]
そう[spec1]
[1][adv][uk]
  [note="concerning the actions of the listener or concerning the ideas expressed or understood by the listener; with a neg. sentence, implies that something isn't as much as one might think"]
  in that way; thus; such
  [see=1004310・こう[1]]
  [see=2085080・ああ[1]]
  [see=1008910・どう[1]]
[2][int][uk]
  [note="used to express agreement with something said"]
  so
[3][int][uk]
  [note="used to express doubt with something said"]
  so?