Disctionaries
a : accumulated philosophic or scientific learning : knowledge
b : ability to discern inner qualities and relationships : insight
http://www.merriam-webster.com/dictionary/wisdom
Psychologists pretty much agree it involves an integration of knowledge, experience, and deep understanding that incorporates tolerance for the uncertainties of life as well as its ups and downs. There's an awareness of how things play out over time, and it confers a sense of balance.
Wise people generally share an optimism that life's problems can be solved and experience a certain amount of calm in facing difficult decisions.
http://www.psychologytoday.com/basics/wisdom
Philosophy
This entry will provide a general overview, and analysis of, some dominant views on the topic of wisdom. It will cover several versions of four general approaches to understanding what is wisdom: (1) wisdom as epistemic humility, (2) wisdom as epistemic accuracy, (3) wisdom as knowledge, and (4) wisdom as knowledge and action.
http://plato.stanford.edu/entries/wisdom/
Wisdom of God - Explanation in Bible
A. W. Tozer and J. I. Packer have defined wisdom as follows:
“In the Holy Scriptures wisdom, when used of God and good men, always carries a strong moral connotation. It is conceived as being pure, loving, and good.… Wisdom, among other things, is the ability to devise perfect ends and to achieve those ends by the most perfect means. It sees the end from the beginning, so there can be no need to guess or conjecture. Wisdom sees everything in focus, each in proper relation to all, and is thus able to work toward predestined goals with flawless precision.”
A. W. Tozer, The Knowledge of the Holy (San Francisco: Harper and Row, Publishers, 1961), p. 66.
J. I. Packer, Knowing God, (Downers Grove: Inter-Varsity Press, 1973) p. 80.
http://bible.org/seriespage/wisdom-god
To be further developed