The phrase "sends up river" refers to a situation where someone commits a wrong deed and is being punished as a result. Antonyms for this phrase may include "retrieving" or "redeeming" the situation. These words suggest an act of reversing or correcting the wrong deed instead of punishing the wrongdoer. Other antonyms may include "forgiving," "excusing," or "overlooking," which imply a willingness to let bygones be bygones and move on from the situation. Ultimately, the antonyms for "sends up river" suggest a contrasting set of attitudes towards wrongdoing, including redemption, forgiveness, and understanding.