If you say that a decision or action is reasonable, you mean that it is fair and sensible. ...a perfectly reasonable decision. At the time, what he'd done had seemed reasonable. If you say that an expectation or explanation is reasonable, you mean that there are good reasons why it may be correct. It seems reasonable to expect rapid urban growth. More @Wikipedia
Hover over any link to get a description of the article. Please note that search keywords are sometimes hidden within the full article and don't appear in the description or title.