The term "blackened name" refers to a reputation that has been tarnished or ruined. The opposite of this term would be a "reputable name" or a "pristine reputation." Other antonyms for "blackened" could include "clean," "pure," or "unblemished." Similarly, antonyms for "name" might include "anonymity," "obscurity," or "namelessness." It is important to consider the impact that a blackened name can have on an individual or organization, as it can lead to distrust, loss of credibility, and negative consequences in personal and professional relationships. Building and maintaining a reputable name is a critical part of success in any field.