viable

形容词 viable:

1. capable of being done with means at hand and circumstances as they are
   同义词：feasible, executable, practicable, workable
2. capable of life or normal growth and development

vi.a.ble

adj.（形容词）
Capable of living, developing, or germinating under favorable conditions.
能居的：在良好的状态下能够存活、发展或发芽的
Capable of living outside the uterus. Used of a fetus or newborn.
能生存的：在子宫外能存活的。用于胎儿或者新生儿
Capable of success or continuing effectiveness; practicable:
可行的：可望成功的或有持续效果的；切实可行的：
例句：
a viable plan; a viable national economy.See Synonyms at possible
可行的计划；可望成功的国家经济参见 possible

来源：
French
法语
from vie [life]
源自 vie [生命]
from Old French
源自 古法语
from Latin vota * see g wei-
源自 拉丁语 vota *参见 g wei-

【引伸】
vi.abil.ity
n.（名词）
vi.ably
adv.（副词）