Lewis & Short

Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.

prōmissīvē, adv., v. promissivus fin.

prōmissīvus, a, um, adj. [promitto], promising, promissive; in gram.; promissivum tempus, i. e. the future tense, Cons. p. 2061 P.: modus, Diom. p. 328 P.: sententiae, Isid. 2, 21, 18.
Adv.: prōmissīvē, by way of promise, with a promise (postclass.), Tert. adv. Marc. 4, 10.