simple past tense and past participle of center
"After rearranging the furniture, she placed the coffee table in the centered spot to balance the room."
In plain English: To center something means to move it so that it is perfectly balanced and located right in the middle of its space or group.
"She centered her thoughts on what was truly important before making a decision."
being or placed in the center
"The spotlight was centered on the lead singer during her solo performance."
middlemost; located at the center
"The spotlight was centered directly on the lead actor during the final scene."
In plain English: Centered means being calm and focused on what is important right now instead of worrying about other things.
"The table is perfectly centered in the middle of the room."