1. The state or fact of knowing: Humans naturally aspire to knowledge. 2. Familiarity, awareness, or understanding gained through experience or study. 2. General awareness or possession of information, facts, ideas, truths or principles. 3. The state of comprehending something. 4. Familiarity, awareness, or understanding. 5. The totality or scope of what has been perceived, discovered, learned, or inferred throughout time. 6. Specific information about something. Knowledge is the awareness of the interactions and interdependence of the correct and exact who, what, where, when, why, how, mood, and consequences of those interactions and interdependencies. It is the correctly evaluated, fully owned result of accurate perception. Knowledge is always demonstrated by competence in the area. A lack of competence in an area means the area is not fully known.