rĕ-pondĕro

I. to weigh in return; trop., to repay, return (late Lat.): studii vicissitudinem tibi, Sid. Ep. 1, 4 fin.: gloriam tibi, id. ib. 5, 1: pro falsitate alicui veritatem, Claud. Mam. Stat. An. 3, 15.