プログレッシブ和英中辞典(第4版)の解説
りせい【理性】
reason
理性的(に) rational(ly)
純粋[実践]理性
pure [practical] reason
理性がある
have reason [a logical mind]/have good sense
理性に訴える[に従う]
appeal [listen] to reason
理性を失う
lose 「control of oneself [one's power of judgment]/《俗》 blow one's cool
彼の理性的な点が気に入った
I like his rational [logical] approach to things.