The word "out-shone" generally refers to the act of surpassing someone or something in excellence, brightness or achievement. There are a variety of synonyms that can be used in place of "out-shone" depending on the context of the sentence. Some examples include "outperformed", "outdid", "overshadowed", "excelled", "eclipsed", "surpassed", "trumped", and "outmatched". Each of these words carries a slightly different connotation, but all suggest that someone or something has done better or achieved more than another person or thing. By using these synonyms, you can add variety and nuance to your writing while accurately conveying the intended meaning.