The antonyms for the word "more wrongheaded" can be difficult to pinpoint precisely because it is a highly specific term. However, some possible antonyms could include: wise, logical, intelligent, reasonable, rational, sensible, and insightful. These words all suggest a level of deep understanding and thoughtful consideration, rather than the sort of simplistic, dogmatic thinking that might be associated with being "wrongheaded." Ultimately, choosing the right antonym depends on the context in which the word is used, and the precise meaning that the speaker or writer intends to convey.