Wisdom (noun)

1. The ability to use your knowledge and experience to make good decisions and give good advice.
2. A deep understanding and knowledge of a subject.
3. Knowledge or understanding that you have gained through learning or experience.

Origin:

Old english wīsdōm, from wīs (see wise).

Examples:

1. Her wisdom was respected by all who knew her.
2. His study of philosophy gave him a great deal of wisdom.
3. She imparted her wisdom to her children.
4. The books offer a wealth of wisdom.
5. The elder's wisdom was sought after by the tribe.