(verb) : prospĕro, āvi, ātum, 1, prosper.
* To cause a thing to succeed, to render fortunate or happy, to prosper (syn. secundo; not in Cic.): vos precor, uti populo Romano Quiritium vim victoriamque prosperetis, an old form of prayer in Liv. 8, 9, 7: ut consilia sua reipublicae prosperarent,Tac. A. 3, 56: deos precatus, ut coepta prosperarent,id. H. 4, 53; cf.: patrum decreta,Hor. C. S. 18: hanc tibi veniam prospero, i. e. make you happy with, etc., Plaut. Cas. 5, 4, 26: prosperata felicitas,desired happiness,Tert. Apol. 6: mala averruncare, bona prosperare,App. de Deo Socr. 16, p. 51.—Absol.: amico meo prosperabo,will make my friend happy,Plaut. Pers. 2, 3, 11: non prosperantibus avibus,the birds not giving favorable omens,Val. Max. 7, 2, 5.—With inf.: qui prosperavit mundari locum,Vulg. 2 Macc. 10, 7.—Pass.: via impiorum prosperatur,Vulg. Jer. 12, 1.
* To render favorable or propitious, to propitiate (post-class.): prosperatus deus, Prud. στεφ. 10, 365: o Domine, bene prosperare,Vulg. Psa. 117 (118), 25.

s. TLL