(law) an explanation of the fundamental reasons (especially an explanation of the working of some device in terms of laws of nature);
"the rationale for capital punishment"
"the principles of internal-combustion engines"
- The rationale of direct foreign investment has changed.
- I do not understand the rationale behind the decision to sell the warehouse.
- What is the rationale behind these new exams?
- The rationale for the present study is evident.
A rationale which states how that work meets..stated goals.出自：American Speech