The antonyms, or opposites, for the phrase "more canceling" could include "additional confirmation," "further validation," or "extra approval." These words suggest an increase or addition to something, rather than a reduction or cancellation of it. Other antonyms could include "supporting," "endorsing," or "affirmative," all of which convey a positive stance on a particular issue or action. Conversely, words like "denying," "ignoring," or "rejecting" would be antonyms that suggest a negative stance or lack of agreement. Ultimately, the choice of antonym depends on the context in which the phrase "more canceling" appears and the desired meaning or implication.