Adverb
Usually written in kana
1. in that way; thus; such
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
Interjection
Usually written in kana
2. so; the same; that's the case
used to express agreement with something said
3. so?
used to express doubt with something said