expression
it seems so; that's what it looks like
Casual conversational phrase used to agree with or confirm an impression, similar to 'looks like it' or 'seems that way'.
A: 明日は雨かな？ B: うん、そうみたい。
A: Will it rain tomorrow? B: Yeah, looks like it.
彼、もう帰ったの？ そうみたいね。
Has he already left? Seems so.