"Doing right by" someone or something implies that you are acting in a just and fair manner towards them. Some synonyms for this phrase include treating someone fairly, being equitable, doing justice, fulfilling obligations, keeping promises, being honorable, and acting with integrity. These words suggest a sense of responsibility and morality towards others, just as "do right by" does. Whether it's in personal relationships, business dealings, or everyday interactions, aiming to do right by others is an important value to uphold. It promotes a sense of mutual respect and trust, and ultimately contributes to the well-being of both individuals and society as a whole.