Lewis Short
(v. a.adv.) : per-pendo, pendi, pensum, 3, v. a.
* To weigh carefully or exactly.
* Lit. (very rare): in librili pendere,Gell. 20, 1, 34.
* Trop., to weigh carefully, examine; to ponder, consider (class.; syn.: delibero, expendo, reputo): aliquid acri judicio,Lucr. 2, 1042: diligentissime perpendens momenta officiorum,Cic. Mur. 2, 3: aliquid ad disciplinae praecepta,id. ib. 36, 77: hoc non arte aliquā perpenditur,id. de Or. 3, 37, 151: judicare et perpendere, quantum quisque possit,Q. Cic. Pet. Cons. 6, 23: quid in amicitiā fieri oportet quae totā veritate perpenditur, which is considered or esteemed altogether according to its truth, Cic. Lael. 26, 97: singulorum vires,Just. 29, 3, 6: perpendendum erit praetori, cui potius subveniat,Dig. 4, 4, 13: ut ante perpensum et exploratum habeamus, an, etc.,Col. 3, 3: homo judicii perpensi,Arn. 2, 52: deliberatio perpensa,Amm. 22, 9.—Hence, per-pensē, adv., with deliberation, deliberately (post-class.); comp., Amm. 26, 5, 13; 25, 10, 15.
Charlton T. Lewis, Charles Short, A Latin Dictionary