The best inference that can be made based on the diction in this passage is:
It reveals Madame Jourdain’s views of her husband while reinforcing his commitment to aristocratic behavior.
This choice highlights Madame Jourdain's skepticism regarding her husband's aspirations and the contrast between his desire for social status and the reality of their situation. It captures the essence of the dialogue, where Madame Jourdain expresses disbelief in her husband’s pretensions to gentility, while he is firmly committed to pursuing a status he was not born into.