名詞 rationality:

1. the state of having good sense and sound judgment
   同義詞：reason, reasonableness
2. the quality of being consistent with or based on logic
   同義詞：rationalness

ra.tion.al.i.ty

n.（名詞）
【復(fù)數(shù)】 ra.tion.al.i.ties
The quality or condition of being rational.
合理性：合乎理性的性質(zhì)或狀態(tài)
A rational belief or practice.
理性觀點，理性實踐