'Acquitted' in the Bible

and if the woman be not willing to come after thee, then thou hast been acquitted from this mine oath: only my son thou dost not cause to turn back thither.'

then art thou acquitted from my oath, when thou comest unto my family, and if they give not one to thee; then thou hast been acquitted from my oath.

And he saith, 'Now, also, according to your words, so it is; he with whom it is found becometh my servant, and ye are acquitted;'