The antonyms for the word "more babylike" are numerous, and they depend on the context of its use. For example, it could be described as mature, grown-up, or adult-like. Instead of being childish, it could be seen as serious, responsible, or independent. You might also consider synonyms such as sophisticated, worldly, or experienced. In some cases, "more babylike" might be viewed as naive, unsophisticated, or innocent. However, it can also be viewed as energetic or lighthearted. Therefore, depending on what is required when applying the term, there are a variety of antonyms that could be used to describe it effectively.