'Supposing' in the Bible

but supposing Him to be in the travelling company, they proceeded a day's journey. Then they searched up and down for Him among their relatives and acquaintances;

So the Jews who were with Mary in the house sympathizing with her, when they saw that she had risen hastily and had gone out, followed her, supposing that she was going to the tomb to weep aloud there.

"Why are you weeping?" He asked; "who are you looking for?" She, supposing that He was the gardener, replied, "Sir, if you have carried him away, tell me where you have put him and I will remove him."

Starting up from sleep and seeing the doors of the jail wide open, the jailer drew his sword and was on the point of killing himself, supposing that the prisoners had escaped.

For if any one were to see you, who know the real truth of this matter, reclining at table in an idol's temple, would not his conscience (supposing him to be a weak believer)

while the others proclaim Him from motives of rivalry, and insincerely, supposing that by this they are embittering my imprisonment.