ostensible

形容词 ostensible:

1. appearing as such but not necessarily so
   同义词：apparent, seeming
2. represented or appearing as such; pretended
   同义词：ostensive

1. Seeming or professed; ostensible.
   假装的表面上的或自称的; 貌似真实的
2. An ostensible or professed purpose; an excuse.
   借口，托词表面的目的; 理由

os.ten.si.ble

adj.（形容词）
Represented or appearing as such; ostensive:
表面上的：表现或看起来象…的；貌似真实的：
例句：
His ostensible purpose was charity, but his real goal was popularity.
从表面看来他是为了慈善事业，但他真正的目的却是提高自己的知名度

来源：
French
法语
from Medieval Latin ostônsibilis
源自 中世纪拉丁语 ostônsibilis
from Latin ostônsus [past participle of] ostendere [to show]
源自 拉丁语 ostônsus [] ostendere的过去分词 [显示]
ob- [ob-]
ob- [ob-前缀]
tendere [to stretch] * see ten-
tendere [伸展，拉紧] *参见 ten-

【引伸】
osten.sibly
adv.（副词）