promisor Law.
(ˈprɒmɪsɔː(r))
[f. promise v. + -or: cf. promiser, promissor.]
The person who makes a promise: correlative to promisee.
| 1846 in Worcester citing Chitty. 1875 Poste Gaius ii. Comm. (ed. 2) 171 The obligation of the promisor. Ibid. iii. §100 A stipulation to convey on the day before the death of the promisee or promisor is invalid. |