Sentence:  She promised herself to ascertain thoroughly, after they should be comfortably settled in the ship, the animus with which the book was to be written. She was a very good sailor and she liked to talk at sea; there her husband would not be able to escape from her, and she foresaw the manner in which she should <WSD>catechise</WSD> him. 
Meaning of the word marked with <WSD> tags:  To question at length.