Possible; conceivable; likely — expresses that something can happen or is plausible.
明日、雪で電車が遅れることは十分あり得る。
It's quite possible that trains will be delayed by snow tomorrow.
そんな簡単に解決できるとはあり得ないだろう。
It's unlikely that it can be solved that easily.
この証拠だけで有罪になることもあり得る。
It's possible to be found guilty based on this evidence alone.