Antonyms for the phrase "comes out against" can include "supports," "endorses," "approves," "favors," and "backs." These words suggest a positive relationship with the topic being discussed, rather than opposition or criticism. When someone comes out for something, they are expressing their agreement, and this shows a sense of unity or shared values. Conversely, when somebody comes out against something, there is a certain amount of disagreement or conflict. The choice of language used in such situations can have a significant impact on how people perceive an issue, and it can affect the outcome of debates and decisions.