There are several antonyms for the word "discountenanced." Some of the most common include "encouraged," "applauded," "supported," "approved," and "praised." These terms all convey a positive sentiment toward a particular action or idea, as opposed to the negative emotions expressed by discountenanced. Other antonyms for the word could include terms like "embraced," "welcomed," "endorsed," or "commended." Regardless of the specific term used, these antonyms all serve to communicate a sense of acceptance, validation, or even enthusiasm for something, in contrast to the disappointment, disapproval, or rejection that discountenanced implies.