Comperio, cómperis, cómperi, pen. cor. compertum, comperîre. Terent.To finde or try out a matter: to haue sure knowledge or proose of.Horam suam genitalem comperire. Tac. Comperi certò.Terent.I haue proued for a suretie, or I haue triall of it.Reperire aliquid certi & comperire.Cic.Manifestò comperire & manu tenere.Cic.To haue manifest proofe and fure knowledge of.Ex multis audiui: nam comperisse me non audeo dicere.Cic.I date not say, I know for suretie.Certis authoribus aliquid comperire.Cic.Comperire de re aliqua.Terent. De amore hoc comperit. He knoweth surely, that he is in Ioue.Nihil de hoc comperi.Cic.I knewe not that for surerie.Vt poste Cæsar ex captiuis comperit. Cæsar. As he had knowledge by the captines.Postquam per exploratores pontem sieri cõperissent. Cæs. Comperite certis iudicijs rem non esse vanam.Liu.Comperire testibus.Cic.To know surely by witnesse.Despicere & comperire dicitur, qui primus obseruauit. Cat. To finde and trye out.Compertum est mihi, & exploratum est mihi. Idem. I haue tryed for a surety: and by experience.Afferre compertum Liu.To bring that is certaine.Compertum aliquid habere.Cic.To knowe for suretle and by tryall.Compertum oculis.Liu.That we haue seene with our eyes.
Lewis and Short: Latin dictionary
com-pĕrĭo, pĕri, pertum, 4, v. a. [root par-, of paro, pario; cf. 2. comparo, and aperio, operio, etc.; by others separated from these words and referred to root per-, of peira/w, peritus, periculum; but cf. Corss. Ausspr. II. 410], lit., to disclose wholly, lay open (a fact), without the access. idea of communicating the thing disclosed (which aperio expresses; v. aperio); to obtain a knowledge of a thing, to find out with certainty, to have or gain certain information, to ascertain, learn, etc. (class. in prose and poetry): certo comperi, Ter. Eun. 5, 1, 9: cum indicia mortis se comperisse manifesto et manu tenere diceret, Cic. Brut. 80, 277: hoc, Nep. Eum. 8, 4: stellarum ortus, Cat. 66, 2: de amore hoc comperit, Ter. And. 1, 3, 6: nihil de hoc (Sullā) consul comperi, Cic. Sull. 31, 86; Sall. J. 68, 1: postquam de scelere filii comperit, Nep. Paus. 5, 3; Suet. Dom. 6 al.—With inf. and acc., Ter. And. 1, 1, 63: posteaquam comperit eum posse vivere, Cic. Rosc. Am. 12, 33: hanc gentem Clusium inde venisse comperio, Liv. 5, 35, 3; Quint. 1, 7, 24: diram qui contudit hydram, comperit invidiam supremo fine domari, Hor. Ep. 2, 1, 12: ubi comperi ex eis qui, etc., Ter. Heaut. 1, 1, 69: aliquid ex multis, Cic. Clu. 68, 192: ex litteris, Nep. Paus. 4, 5: per exploratores, Caes. B. G. 4, 19; 6, 28; Nep. Alcib. 8, 6: certis auctoribus, Cic. Att. 14, 8, 1: nihil testibus, nihil tabulis, nihil aliquo gravi argumento, id. Clu. 45, 126; Caes. B. C. 2, 37: a quo ut rem gestam comperit, Nep. Dat. 3, 4: quae ex fratre compererat nuntiari regi jubet, Curt. 6, 7, 18: ut postea ex captivis comperit, Caes. B. G. 1, 22; Hirt. B. G. 8, 17; 8, 36.—Cicero, on account of the frequent repetition of the phrase omnia comperi, in the trial of Catiline, was often bantered by his contemporaries; hence: (Clodius) me tantum comperisse omnia criminabatur, Cic. Att. 1, 14, 5; cf. id. Fam. 5, 5, 2.—With depend. question: dolo an vere cunctatus, parum comperimus, Sall. J. 113, 1; 67, 3.—(b). Esp. freq. in part. perf. pass.: Oppianici facinus manifesto compertum atque deprehensum, Cic. Clu. 14, 43: non ego haec incertis jacta rumoribus adfero ad vos, sed comperta et explorata, Liv. 42, 13, 1; cf. id. 29, 18, 7; 29, 21, 13: sintne haec investigata, comperta, patefacta per me, Quint. 9, 3, 49: pecuniam ex aerario scribae viatoresque aedilicii clam egessisse per indicem comperti,
discovered
, Liv. 30, 39, 7: compertus adulterare matronas, Suet. Aug. 67: uxorem in stupro generi compertam,
detected
, id. Tib. 35.—Also with the gen. of the crime: compertus stupri, Liv. 22, 57, 2; Just. 11, 11, 5: probri, Liv. 7, 4, 4: sacrilegii, id. 32, 1, 8: flagitii, Tac. A. 1, 3; 4, 11: de his haud facile compertum narraverim,
give certain information
, Sall. J. 17, 2: qui ex fratre comperta ipsi nuntiasset, Curt. 6, 8, 11: haec ex vate comperta nuntiabat, id. 7, 7, 22.— In abl. absol.: comperto lege Gabiniā Bithyniam et Pontum consuli datam, Sall. H. Fragm. ap. Prisc. p. 1130 P.; so Liv. 31, 39, 4 and 7; 33, 5, 4; Tac. A. 1, 66; 4, 36; 11, 13fin.; 14, 57.—So, also, compertum habeo and compertum mihi est, I know full well: quod de his duobus habuerint compertum, Cic. Clu. 45, 127; so Sall. C. 2, 2; 22fin.: pro comperto polliceri,
as certain
, Suet. Ner. 31.—Hence, compertē, adv., on good authority; only Gell. 1, 22, 9; and in comp., id. 1, 11, 12.