'Supposing' in the Bible

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."