intellect         
noun uk/ˈɪn.təl.ekt/ us/ˈɪn.t̬ə.ekt/
C2 [ U ]智力;理解力;才智 
the ability to understand and to think in an intelligent way
  Her energy and intellect are respected all over the world. 她的活力和才智得到了全世界的尊重。 
 He is a man more noted for his intellect than his charm. 相比其魅力,他的才智更为人瞩目。 
  [ C ] formal知识分子 
a very educated person whose interests are studying and other activities that involve careful thinking