The phrase "break pattern" means to deviate from a usual or predictable course of action or behavior. Antonyms for this phrase could include phrases such as "maintain pattern", "adhere to pattern", or "stick to pattern". These antonyms imply that someone or something is consistently following a particular course and has no plans of changing. Other antonyms might include "conform to pattern" or "embrace pattern", which suggests that the person or thing in question has accepted and internalized a certain pattern of behavior. In practice, these antonyms are useful when talking about people, organizations, or systems that are trying to form new habits, change their approach, or establish new standards for behavior.