What is knowledge?

Tonight was my first session at The Mind Lab Christchurch.

During the session there was an interesting discussion about knowledge. In groups we discussed what we perceived knowledge to be.

Wikipedia defines knowledge as:

knowledge

1. 1.

   facts, information, and skills acquired through experience or education; the theoretical or practical understanding of a subject.

   
   
2. 2.

   awareness or familiarity gained by experience of a fact or situation.

1. 

Knowledge needs to be validated and in a digital world can Wikipedia be used in the classroom as a reliable resource. It creates a great question how is knowledge validated? One possible explanation in order for your work to receive validation, it must be checked by several different people.