promissory

• POS: Adjective
• HYPHEN: prom=is=so=ry

CIDE DICTIONARY

promissory, a. 

 Containing a promise or binding declaration of something to be done or forborne.  [1913 Webster]

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 events; -- frequently called a note of hand. Kent. Byles. Story.

OXFORD DICTIONARY

promissory, adj.
1 conveying or implying a promise.
2 (often foll. by of) full of promise.

Idiom

promissory note a signed document containing a written promise to pay a stated sum to a specified person or the bearer at a specified date or on demand.

Etymology

med.L promissorius f. L promissor (as PROMISE)

ROGET THESAURUS

promissory

Promise

N promise, undertaking, word, troth, plight, pledge, parole, word of honor, vow, oath, profession, assurance, warranty, guarantee, insurance, obligation, contract, stipulation, engagement, preengagement, affiance, betroth, betrothal, betrothment, promising, promissory, votive, under hand and seal, upon oath, promised, affianced, pledged, bound, committed, compromised, in for it, as one's head shall answer for, in for a penny in for a pound, ex voto, gage d'amour.