promissory

a. 约定的, 约好的, 约定支付的
【经】 约定支付的

prom.is.so.ry

adj.（形容词）
Containing, involving, or having the nature of a promise.
答应的，承诺的：包含、涉及或拥有承诺的属性的
Indicating how the provisions of an insurance contract will be carried out after it has been signed.
约定支付的：签定保险合同后暗示其条件将怎么被执行的

来源：
Medieval Latin prômissôrius
中世纪拉丁语 prômissôrius
from Latin prômissor [one who promises]
源自 拉丁语 prômissor [做承诺的人]
from prômissus [past participle of] prômittere [to promise] * see promise
源自 prômissus [] prômittere的过去分词 [承诺] *参见 promise