The word "dis affirm" is a term that is not commonly used, but it can be interpreted as the opposite of affirming. Therefore, the antonyms for "dis affirm" would be words that carry a positive connotation, indicating agreement or validation. These antonyms include approve, endorse, support, praise, validate, confirm, and warrant. Each of these words implies a sense of agreement or acceptance, which contrasts with the negative or dismissive tone of "dis affirm." By utilizing these antonyms, speakers and writers can emphasize positive messaging and reinforce the value of agreement and validation over rejection or negativity.