The term "conducted oneself toward" refers to the way one behaves or acts towards others. Some possible antonyms for this phrase could include words or phrases like "misbehaved," "acted recklessly," "disrespected," or "acted inappropriately." Each of these terms conveys a negative connotation and suggests that someone has not behaved well towards others. On the other hand, antonyms for "conducted oneself toward" could also include positive actions, such as "acted kindly," "behaved respectfully," "acted in a considerate manner," or "treated others with decency." These terms suggest that the individual in question has acted in a positive and respectful way towards others.