wisdom

wisdom
wis‧dom /ˈwɪzdəm/ noun [uncountable]1. good sense and judgment, based especially on your experience of life:
    a man of great wisdom
    question/doubt the wisdom of (doing) something
    Local people are questioning the wisdom of spending so much money on a new road.
    You can always expect a few words of wisdom from Dave. ⇨ pearls of wisdom at pearl(3)
2. knowledge gained over a long period of time through learning or experience:
    the collected wisdom of many centuries
3. (the) conventional/received/traditional etc wisdom a belief or opinion that most people have:
    The conventional wisdom is that boys mature more slowly than girls.
4. in sb’s (infinite) wisdom humorous used to say that you do not understand why someone has decided to do something:
    The boss, in her infinite wisdom, has decided to reorganize the whole office yet again.
     

THESAURUS

   ▪ knowledge the facts and information that you have learned, and the understanding you have gained: Our knowledge of other cultures and societies has improved. | scientific knowledge
   ▪ expertise special knowledge about how to do something, that you get through experience, training, or study: The technical expertise was provided by a Japanese company. | They need people with medical expertise.
   ▪ know-how practical knowledge about how to do something: Business leaders often lack the local know-how to tackle problems in specific countries. | financial know-how
   ▪ wisdom good sense and judgment, based on knowledge and experience: the wisdom of the older family members | It’s a matter of common wisdom that newspapers cannot be trusted.
   ▪ grasp how much you know about a situation or subject, and how well you understand it: He’s been praised for his grasp of the country’s economic problems. | She has a good grasp of the language.