De-riding is not a common word in the English language, and hence there are no specific antonyms for it. However, we can consider some words that are related to de-riding and find their antonyms. For instance, if we consider the word 'ridiculing,' the antonyms could be praising, complimenting, or admiring. Similarly, if we consider the word 'mocking,' the antonyms could be respecting, honoring, and esteeming. In general, some antonyms for the act of de-riding could be respect, admiration, reverence, and appreciation. These words signify a sense of esteem for someone or something, which is the opposite of mocking or ridiculing them.