'Departure' in the Bible

who, appearing in glory, spoke of his departure which he was about to accomplish in Jerusalem.

For I know this, that there will come in amongst you after my departure grievous wolves, not sparing the flock;

But I am pressed by both, having the desire for departure and being with Christ, for it is very much better,

but I will use diligence, that after my departure ye should have also, at any time, in your power to call to mind these things.