rea‧son‧a‧bly S2 W3 / riz ə nəbli / 副词

1 [ + 形容词 / 副词 ] quite or to a satisfactory degree, but not completely :

The car is in reasonably good condition.

He’s doing reasonably well at school.

2 in a way that is right or fair :

He can’t reasonably be expected to have known that.

3 in a sensible way :

Despite her anger, she had behaved very reasonably.

THESAURUS

rather/quite especially British English more than a little, but less than very. British people often use these words before 形容词 in conversation. In many cases they do not intend to change the meaning – it is just something that people say : She seemed rather unhappy. | It’s rather a difficult question. | It’s getting quite late. | Malaria is rather common in this area.

fairly rather. Fairly is used in both British and American English : The test was fairly easy. | It’s a fairly long way to the next town.

pretty spoken rather. Pretty is more informal than the other words and is used in spoken English : Her French is pretty good. | We’re in a pretty strong position.

reasonably to a satisfactory level or degree : He plays reasonably well. | Let’s just say that I am reasonably confident we’ll win.

moderately formal more than a little, but not very : Her family was moderately wealthy. | The food was moderately good, but not as good as the food in the other restaurants. | Use a moderately high heat. | a moderately difficult climb

somewhat formal fairly or to a small degree. Somewhat is used especially when talking about the size or degree of something. It is often used in comparatives : The celebrations were somewhat larger than last year’s. | He looked somewhat irritated. | a somewhat surprising decision