sense: implies a reliable ability to judge and decide with soundness, prudence, and intelligence: hasn't the ~ to come in out of the rain.        sound合理的implies a basis of flawless reasoning or solid gounds有坚实的基础和无瑕的推理，如a sound proposal for combatting terrorism打击恐怖主义的合理建议   prudent谨慎，指懂克制会判断   intelligent智力，指解决问题的能力


common sense: suggests an average degree of such ability often with native shrewdness but without sophistication or special knowledge: ~ tells me it's wrong.


gumption: suggests a readiness to use or apply common sense and stresses initiative or drive: a shrewd business man known for his ~.    initiative主动自发drive驱动，都表示人有勇气决心，因此gumption表示一个人有胆有识    


judgment: implies sense tempered and refined by experience, training, and maturity: ~ is required of a camp counselor.  营地辅导员


wisdom: implies sense and judgment far above average: the ~ that comes from years of experience.


sense理性: 指判断力和决定力，common sense常理常识: 普通的理性水平，不复杂不需专业知识，gumption头脑: 善于应用常识，强调胆识，judgment判断力: 既有理性又兼具经验训练成熟，wisdom智慧: 超群的理性和判断力

 
记忆方法: 1) 首字母SCGJW记忆？
             
          2) 明智的意思是正确判断的能力mean ability to reach intelligent conclusions.