The phrase "goes into hiding" implies an action of concealment or withdrawal from public view. Antonyms for this phrase would include "comes out," "reveals oneself," or "emerges." These words connote a sense of openness, visibility, and bravery. Other antonyms could include "confronts," "faces," or "engages," which suggest a willingness to tackle a difficult situation head-on. Conversely, words like "retreats," "withdraws," or "disappears" could be considered synonyms, as they indicate a similar sense of retreat or concealment. Ultimately, the choice of antonym depends on the specific context and tone of the sentence in which it is used.