centered
"Centered" is a versatile adjective (and past tense verb) with a handful of useful meanings. It can describe something physically placed in the middle, or a person who feels calm and balanced inside. Here are the most common senses.
When you say a person is centered, you mean they feel calm, stable, and in control of their emotions. They are not easily thrown off by stress or problems. Imagine someone who stays peaceful even when everything around them is chaotic.
everyday language, psychology, wellness · Modern, widely used · figurative
When something is centered on a topic, person, or idea, it means that thing is the main focus. Everything revolves around it. You will often see this in combinations like 'student-centered' or 'centered on the main character'.
everyday language, education, literature · Modern, widely used · figurative