The word "learnednesses" can be quite a mouthful, and finding synonyms for it can be equally challenging. However, there are plenty of alternatives to describe scholarly or knowledgeable traits and attributes. Some synonyms to consider might include "erudition" or "expertise," indicating a high degree of knowledge and specialization in a particular field. Another option might be "wisdom" or "insight," which suggests not only intelligence but also practical wisdom and experience. Other possibilities include "scholarship," "education," or even "pedagogy," all of which denote a deep respect and commitment to the pursuit of knowledge and understanding.