Elisabeth was filled with the Holy Ghost - This seems to have been the accomplishment of the promise made by the angel, Luke 1:15, He shall be filled with the Holy Ghost, even from his mother's womb. The mother is filled with the Holy Spirit, and the child in her womb becomes sensible of the Divine influence.
Elizabeth was filled with the Holy Ghost - The meaning of this seems to be that she was filled with joy; with a disposition to praise God; with a prophetic spirit, or a knowledge of the character of the child that should be born of her. All these were produced by the Holy Spirit.