Rational; characterized by making judgments or acting based on reason and logic rather than emotion.
理性的な議論を重ねて、合意に達した。
After rational discussions, they reached an agreement.
問題解決には冷静で理性的な対応が求められる。
Calm and rational responses are required to solve the problem.
理性的判断を下すためには十分な情報が必要だ。
Sufficient information is necessary to make a rational judgment.