I. An approving, allowing, assenting to, approbation, acquiescence (most freq. in Cic.): “id volgi adsensu et populari approbatione judicari solet,” Cic. Brut. 49, 185: id. Tusc. 2, 1, 3: “hoc decorum movet adprobationem,” id. Off. 1, 28, 98; id. Ac. 2, 17: “hominum,” Liv. 23, 23.—In plur.: “non adprobationes solum movere,” Cic. Or. 71, 236. —Hence, approbatio testium, approbation, i. e. reception, Auct. ad Her. 2, 6.—
II. Proof, confirmation (only in Cic.): “haec propositio indiget approbationis,” Cic. Inv. 1, 36 and 37: “assumptionis,” proof of the minor proposition, id. ib. 1, 34.