CONTRACT, covenant, agree for; engage (promise) [See Promise]; indent.
NEGOTIATE, treat, stipulate, make terms; bargain (barter) [See Barter].
CONCLUDE, close, close with, complete; make -, strike- a bargain; come to -terms, - an understanding; compromise [See Compromise]; set at rest; settle; confirm, ratify, clinch or clench, subscribe, underwrite; indorse, endorse, put the seal to; sign, seal (attest) [See Evidence]; take one at ones word, bargain by inch of candle.
CONTRACTUAL, complete; agreed &c. v.; conventional; under hand and seal; signed, sealed, and delivered.
AS AGREED UPON, as promised, as contracted for; according to the -contract, - bargain, - agreement.
Tis not in the bond.Merchant of Venice
An honest mans word is as good as his bond.Cervantes