also: そうねえ
expression
A feminine expression used to agree, acknowledge, or accept something, often with a thoughtful or resigned tone. Can also be used to fill a pause.
「明日、映画に行かない？」「そうね、いいわよ。」
"Want to go to a movie tomorrow?" "Yeah, that sounds good."
そうね、どうしようかしら。
Hmm, I wonder what I should do.