Patronise countenance can be defined as a condescending or superior attitude towards someone. However, there are various synonyms that can be used in place of this phrase to convey a similar meaning. For instance, "look down upon" is one such synonym that captures the condescension implied by patronise countenance. Another option is "condescend to," which implies a sense of superiority towards the person being addressed. "Talk down to" is a commonly used synonym that refers to the same negative attitude. Other options include "disdain," "snub," and "treat condescendingly." All these synonyms serve to convey the idea of showing disrespect or disdain towards someone else.