The phrase "can't stand" represents a feeling of intense dislike or hatred towards someone or something. Some of the antonyms for this expression are "enjoy," "cherish," "adore," "treasure," and "delight in." Hence, they suggest that one feels happy or pleased about a particular person or object. Alternatively, another set of antonyms for "can't stand" is "tolerate," "accept," "endure," "put up with," and "bear." These imply a more neutral stance towards the person or object, wherein one is not actively fond of them but can still remain in their presence without significant discomfort or annoyance.