promissory

詳細解釋：

prom.is.so.ry

adj.（形容詞）
Containing, involving, or having the nature of a promise.
答應的，承諾的：包含、涉及或擁有承諾的屬性的
Indicating how the provisions of an insurance contract will be carried out after it has been signed.
約定支付的：簽定保險契約後暗示其條件將怎么被執行的

來源：
Medieval Latin prômissôrius
中世紀拉丁語 prômissôrius
from Latin prômissor [one who promises]
源自 拉丁語 prômissor [做承諾的人]
from prômissus [past participle of] prômittere [to promise] * see promise
源自 prômissus [] prômittere的過去分詞 [承諾] *參見 promise