The phrase "gets after" typically means to pursue or go after someone, often in a negative or critical manner. Some common antonyms for this phrase might include "abandon," "ignore," "neglect," "let go," or "forgive." These antonyms suggest a lack of action or a turning away from the situation at hand, rather than an aggressive pursuit of someone or something. Other antonyms might include "appreciate," "encourage," "praise," "support," or "uplift," which imply positive rather than negative actions. Ultimately, the choice of antonym will depend on the context and intended meaning of the original phrase.