根据《柯林斯英汉双解大词典 》：
ADJ If you think that someone is fair and sensible you can say that they are reasonable. 通情达理的
reasonably ADV 通情达理地
ADJ If you say that a decision or action is reasonable, you mean that it is fair and sensible. (决定或行动) 合理的
ADJ If you say that an expectation or explanation is reasonable, you mean that there are good reasons why it may be correct. (期望或解释) 有道理的
reasonably ADV 有道理地 [ADV with v]
ADJ If you say that the price of something is reasonable, you mean that it is fair and not too high. (价钱) 公道的
reasonably ADV 公道地 [ADV with v]
ADJ You can use reasonable to describe something that is fairly good, but not very good. 还算好的
reasonably ADV 还算好地 [ADV adj/adv]
ADJ A reasonable amount of something is a fairly large amount of it. 相当大的
reasonably ADV 相当地 [ADV adj/adv][1]
reasonable price 合理价格；价格公道