motive
英 ['məʊtɪv]
美['motɪv]
	    - n. 动机,目的;主题
 - adj. 发动的;成为动机的
 - vt. 使产生动机,激起
 
英英释意
- 1. the psychological feature that arouses an organism to action toward a desired goal; the reason for the action; that which gives purpose and direction to behavior;
 - "we did not understand his motivation"
 - "he acted with the best of motives"
 
- 2. a theme that is elaborated on in a piece of music