creditable

形容词 creditable:

1. worthy of often limited commendation

1. The student made a creditable effort on the essay.
   这个学生在这篇短论上所作的努力值得赞扬
2. A creditable story.
   一个可信的故事

cred.it.a.ble

adj.（形容词）
Deserving of often limited praise or commendation:
值得赞扬的，可称赞的：值得有限制的赞扬或称赞的：
例句：
The student made a creditable effort on the essay.
这个学生在这篇短论上所作的努力值得赞扬

Worthy of belief:
值得信任的：
例句：
a creditable story.
一个可信的故事

Deserving of commercial credit; creditworthy:
值得给予商业信贷的；信誉卓著的：
例句：
a creditable customer.
一个信誉卓著的客户

That can be assigned.
可归功于的

【引伸】
cred.itabil.ity 或
cred.itableness
n.（名词）
cred.itably
adv.（副词）