Wisdom in simple words,is the ability to think and act using your knowledge, experience,understanding,common sense,and insight.Humans are said to have the highest level of wisdom among all living organisms.
According to the Oxford English dictionary "Wisdom is the Capacity of judging rightly in matters relating to life and conduct; soundness of judgement in the choice of means and ends; sometimes, less strictly, sound sense, especially. in practical affairs:opp. to folly;" 
Wisdom is the ability to think and act using KNOWLEDGE,EXPERIENCE,UNDERSTANDING,COMMON SENSE and INSIGHT
it means a possession of knowledge or the seeking their to apply it to the given 
circumstance.Many authors define it in their words→Some says....that it is the right way to use our knowledge and Some says→....that it is the attitude of wisdom.
                               (But in common language we can say that)
                                 (WISDOM=WORK without WORRY)