lý do 
reason like: Vernunft → →
vernünftig ☊ 
lý trí ☊ 
☊ vernünftig ☊ 理智的 ☊ lǐ zhì de Die Jungfrau ist ordentlich und vernünftig und hat für alles ein System. ☊ Xử nữ thì gọn gàng và lý trí còn qui tất cả theo hệ thống. ☊ (Lektion 80, Nr. 1140) Das klingt vernünftig. ☊ Điều này nghe hợp lý. ☊ (Lektion 115, Nr. 2152) assume (that)...: It is reasonable to assume (that) the economy will continue to improve. ☊ assume ☊
commitment to do/doing sth: The company's commitment to providing quality at a reasonable price has been vital to its success. ☊ commitment ☊
She doesn't eat sensibly (= doesn't eat food that is good for her). ☊ eat ☊
He has blind faith (= unreasonable trust) in doctors' ability to find a cure. ☊ faith ☊
Faith is stronger than reason. ☊ faith ☊
Why won't you listen to reason? ☊ listen ☊
'I'm going to buy some new clothes.' 'Well, don't go mad (= spend more than is sensible).' ☊ mad ☊
prospect (that...): There's a reasonable prospect that his debts will be paid. ☊ prospect ☊
We aim to provide quality at reasonable prices. ☊ quality ☊
Only human beings are capable of reason (= of thinking in a logical way, etc.). ☊ reason ☊
to lose your reason (= become mentally ill) ☊ reason ☊
the conflict between faith and reason ☊ reason ☊
I can't get her to listen to reason. ☊ reason ☊
to be open to reason (= to be willing to accept sensible advice) ☊ reason ☊
It is reasonable to assume that he knew beforehand that this would happen. ☊ reasonable ☊
Be reasonable! We can't work late every night. ☊ reasonable ☊
Any reasonable person would have done exactly as you did. ☊ reasonable ☊
It seems a perfectly reasonable request to make. ☊ reasonable ☊
He made us a reasonable offer for the car. ☊ reasonable ☊
We sell good quality food at reasonable prices. ☊ reasonable ☊
The hotel was reasonable, I suppose (= but not excellent). ☊ reasonable ☊
There's a reasonable chance that he'll come. ☊ reasonable ☊
We tried to discuss the matter calmly and reasonably. ☊ reasonably ☊
He couldn't reasonably be expected to pay back the loan all at once. ☊ reasonably ☊
There are no decent schools round here. ☊ round here ☊
Make Lydia see reason (= be sensible), will you? ☊ see ☊
Can't you talk sense (= say sth sensible)? ☊ sense ☊
She's a sensible sort of person. ☊ sensible ☊
I think that's a very sensible idea. ☊ sensible ☊
Say something sensible. ☊ sensible ☊
I think the sensible thing would be to take a taxi home. ☊ sensible ☊
His explanation sounds reasonable to me. ☊ sound ☊
He was being totally unreasonable about it. ☊ unreasonable ☊
He liked her well enough (= to a reasonable degree) but he wasn't going to make a close friend of her. ☊ well ☊