a.

1. 通情達理的，講道理的
   Our mother was always very reasonable.

   我們的母親總是非常通情達理。

2. 合理的，正當的；適當的
   The decision seemed reasonable and was agreed by both parties.

   這個決定似乎合理，兩派人士都同意了。

3. （價錢）公道的，不貴的
   You can get the house for a reasonable price.

   你可以用公道的價格買到那間房子。

4. 有理智的，有理性的，明智的
   I don't think it's a reasonable judgement.

   我不覺得那是個理性的判斷。

5. 尚好的，過得去的
   We have a reasonable chance of winning the game.

   我們比賽的勝算尚可。

adj.

1. fair and sensible.
2. archaic able to reason logically.
3. as much as is appropriate or fair; moderate.
   ▸fairly good.
   ▸relatively inexpensive.