necessitative
adj.
necessitate的变形
necessitate
[ni'sesi,teit; nə-]
vt.
使成为必需，需要，使不可避免：
His apathy necessitates stimulation.
有必要刺激一下他的冷漠。
It seems that the armed clash is necessitated between the two countries.
看来两国间的军事冲突是不可避免的了。
[常用被动语态]迫使，强迫：
He was neces