With old-fashioned courtesy refers to a behavior that is polite, respectful, and considerate. Some synonyms for this phrase include "with graciousness," "with decent manners," "with classic elegance," "with refined etiquette," and "with timeless gentility." These phrases imply a demeanor that is cultured, chivalrous, and sophisticated. People who behave "with old-fashioned courtesy" often go out of their way to be respectful and kind to others, displaying a charming sense of hospitality. Such behavior is commonly associated with a time when manners and social graces were highly valued in society. Using synonyms for "with old-fashioned courtesy" can help add a level of sophistication and elegance to one's writing and speech.