permissible

英 [pə'mɪsɪb(ə)l] 美[pɚ'mɪsəbl]

• adj. 可允许的；获得准许的

1. that may be permitted especially as according to rule;

"permissible behavior in school"

"a permissible tax deduction"

2. that may be accepted or conceded;

"a kind of speculation that was permissible in cosmology but inadmissible in medicine"