ἐπιτελέω

ἐπιτελῶ; future ἐπιτελέσω; 1 aorist ἐπετελεσα; (present middle and passive ἐπιτελοῦμαι);
1. to bring to an end, accomplish, perfect, execute, complete: substantively, τό ἐπιτελέσαι, 2 Cor 8:11; τί, Lk 13:32 (R G); Rom 15:28; 2 Cor 7:1; 2 Cor 8:6, 2 Cor 8:11; Phm 1:6; Heb 8:5; τάς λατρείας, to perform religious services, discharge religious rites, Heb 9:6 (similarly in secular writings, as θρησκείας, Herodotus 2, 37; ὁρτας, 4, 186; θυσίαν, θυσίας, 2, 63; 4, 26; Herodian, 1. 5, 4 (2 edition, Bekker); λειτουργίας, Philo de som. i. § 37). Middle (in Greek writings to take upon oneself: τά τοῦ γήρως, the burdens of old age, Xenophon, mem. 4, 8, 8; θάνατον, Xenophon, Apology 33; with the force of the act.: τί, Polybius 1, 40, 16; 2, 58, 10) to make an end for oneself, i. e. to leave off (cf. παύω): τῇ σαρκί, so as to give yourselves up to the flesh, stop with, rest in it, Gal 3:3 (others take it passively here: are ye perfected in etc., cf. Meyer).
2. to appoint to, impose upon: τίνι παθήματα, in passive 1 Pet 5:9 (τήν δίκην, Plato, legg. 10 at the end).