Definitions

1. noun

the underlying reason or explanation for a decision, action, or principle

“The politician’s decision to raise taxes was based on a complex rationale that took into account the country’s economic situation.”

2. noun

a statement or explanation of the reasons for something

“The company’s rationale for the merger was outlined in the press release.”

3. noun

the principles or reasons that guide a particular activity or field of study

“The rationale behind the new medical treatment is based on years of research and clinical trials.”