a. rare–1. [ad. L. lætificant-em, pres. pple. of lætificāre to make glad, f. lætificus gladdening, f. læt-us joyful.] Of a medicine: Cheering, stimulating.
1627. trans. Bacon’s Life & Death (1651), 28. Vapours work powerfully upon the Spirits … by lætificant Medecines,… &c.
1855. Mayne, Expos. Lex., Lætificans,… letificant.
