Lewis Short
pĕractĭo (noun F) : perago
* A finishing, completion.
* Lit.: peccati, Hilar. in Psa. 118, 4, 8.
* Aetatis, transf. from the stage, qs. the last act of the drama, Cic. Sen. 23, 85 (cf. id. ib. 18, 64: fabulam aetatis peregisse, and 19, 70: peragenda fabula est).
Charlton T. Lewis, Charles Short, A Latin Dictionary