Excused

You are not excused from the responsibility for this serious situation.

May I be excused?

You're not excused from the table.

Taking all things into consideration, his conduct can be excused.

May I be excused from tomorrow's class?

My nephew was excused on the grounds of his youth.

I excused myself for a minute.

Can I be excused?

I excused myself from the table.

The teacher excused me for being late for class.