Probable; likely — indicates a high chance that something will happen or be true.
彼が来るのは明日ならありそうだ。
If it's tomorrow, he will probably come.
このチームが勝つのは十分ありそうだ。
It's quite likely that this team will win.
残席がまだあるから、当日券が買えるのもありそうだね。
There are still seats left, so it's likely you can get same-day tickets.