Prom'is·so·ry adjective Containing a promise or binding declaration of something to be done or forborne. Promissory note (Law) , a written promise to pay to some person named, and at a time specified therein, or on demand, or at sight, a certain sum of money, absolutely and at all e... Found on http://www.encyclo.co.uk/webster/P/173
containing or implying a promise. · of the nature of a promise. · of or noting agreements or representations stipulating what is required to take place after the issuance of a policy. Found on https://www.infoplease.com/dictionary/promissory