1. Knowledge: This is the most straightforward opposite. Ignorance is a lack of knowledge, so knowledge is its direct opposite.
2. Understanding: While knowledge is about facts, understanding goes deeper. It involves comprehending the meaning and implications of those facts. So, understanding is a more nuanced opposite of ignorance.
3. Awareness: Being aware of something implies a conscious understanding of it. This can be a broader concept than knowledge or understanding, as it can include things we may not fully understand but are still conscious of.
4. Wisdom: Wisdom is a deeper form of knowledge, involving not just knowing facts but also applying them with good judgment and understanding the bigger picture.
5. Enlightenment: This is a philosophical concept, where someone has reached a state of deep understanding and liberation from ignorance and suffering.
Ultimately, the best opposite of ignorance depends on the context and what you want to emphasize.