She assumed he was still on a fact finding mission of his own.
She could now feel everything around her, and she assumed whatever her father unlocked was the cause.
He had become far too familiar and apparently assumed a relationship that didn't exist.
But when he had gone into another room, to which the countess hurriedly followed him, he assumed a grave air and thoughtfully shaking his head said that though there was danger, he had hopes of the effect of this last medicine and one must wait and see, that the malady was chiefly mental, but...
As with Josh, he had simply assumed a relationship.