1Well; now; then — a discourse marker used to change topic or move on to the next action, often marking a break or transition in speech or writing.
さて、次は何をしますか。
Well then, what shall we do next?
さて、問題です。日本で一番高い山はどこでしょう。
Now, here's a question. What is the tallest mountain in Japan?
さて、そろそろ行かないと間に合わないよ。
Well, we should get going soon or we won't make it in time.
さてと、今日はここまでにしよう。
Well then, let's call it a day.