"Study at composure" can be substituted with a variety of synonyms that convey a sense of calm, concentration, and mindfulness. Some options include "learn with equanimity," "research with poise," "analyze with serenity," "explore with tranquility," "examine with composure," and "investigate with tranquil composure." Each phrase suggests a focused and intentional approach to learning, with a patient and methodical attitude. By using these synonyms, one can emphasize the importance of maintaining a clear and composed mindset while engaging in studying or research, which can lead to more effective and enjoyable learning experiences.