Antonyms for the phrase "fly in the face of" include: conformity, agreement, adherence, obedience, compliance, and acquiescence. These are all words that denote a willingness to follow established norms, customs, or rules. To conform is to behave in a way that is considered socially acceptable or conventional, whereas non-conformity suggests a desire to deviate from established norms. To agree is to accept something as true or correct, while adherence implies a commitment to a particular ideology or belief system. Obedience denotes a willingness to follow orders, while compliance implies a willingness to conform to rules or regulations. Acquiescence suggests a willingness to accept something without protest or objection.