'Supposing' in the Bible

But there came Jews thither from Antioch and Iconium: and having persuaded the multitudes, they stoned Paul, and dragged him out of the city, supposing that he was dead.

And the jailor, being roused out of sleep and seeing the prison doors open, drew his sword and was about to kill himself, supposing that the prisoners had escaped.

And when the south wind blew softly, supposing that they had obtained their purpose, they weighed anchor and sailed along Crete, close in shore.