noun
knowledge
NAH-lij/ˈnɑːlɪdʒ/
Information, understanding, or skill gained through learning or experience.
His knowledge of plants helps him identify the oak sprig.

Etymology
Middle English cnawlece meant acknowledgment of a superior, including honor or worship. It later covered understanding and information; its connection to knowing is clear, but the ending's origin is uncertain.
In context
This knowledge was passed down through hands-on experience as experienced warriors took young scouts under [music] their wing.
More examples
- She gained practical knowledge through work.
- Their knowledge of the area proved useful.
- The task required specialized knowledge.
Forms
knowledge
knowledgeable adjective — Knowing a great deal about a subject.
Similar words
- information
- Facts or details, without necessarily understanding them.
- expertise
- Advanced practical knowledge or skill in a field.