ἀφοσιόω

A. purify from guilt or pollution, τὴν πόλιν Pl. Lg. 873b; σεαυτόν Id. Euthphr. 4c; πόλιν τὰ πρὸς τοὺς θεούς Aeschin. 3.120.
2. dedicate, devote, κόρας ἑταιρισμῷ Clearch. 6.
3. establish, consecrate, θυσίας OGI 383.202.
II. Med., satisfy one's conscience, Pl. Phd. 60e; make atonement or expiation, Id. Phdr. 242c; ἀποσιοῦσθαι τῇ θεῷ Hdt. 1.199; ἀ. ὑπὲρ αὑτοῦ Pl. Lg. 874a.
2. c.acc. rei, acquit oneself of an obligation, ἀποσιεύμενος τὴν ἐξόρκωσιν quit oneself conscientiously of one's oath, Hdt. 4.154; ἀ. λόγιον quitting oneself of the orders of an oracle, ib.203; τὰ πρὸς τοὺς θεούς Jul. Mis. 361b.
b. avert a curse or the consequence of crime, ἄγος Plu. Cam. 18, cf. Alc. 33,al.; διαβολάς D.H. 4.79; τὴν ἀσθένειαν τῆς φύς εως Sallust. 18 (prob.l.).
c. do a thing for form's sake, i.e. do it perfunctorily, οὐδ’ ἀφοσιούμενος ἀλλ’ ὡς οἷόν τ’ ἄριστα παρασκευαζόμενος Is. 7.38; ἀ. περί τινος Pl. Lg. 752d, cf. Ep. 331b; προβολήν Plu. Per. 10.
d. allege as an excuse, τὴν ἀνάγκην Id. Them. 24.
e. eschew on religious grounds, hold in abomination, κρόμυον, κυάμους, Id. 2.353f, 286d: abs., Ant. 28.
III. Pass., ἀφωσιωμέναι· ἀνόσιαι, ἄποθεν τοῦ ὁσίου γεγενημέναι, S. Fr. 253.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project