Abbott-Smith Manual Greek Lexicon
ἱλάσκομαι (G2433)
2 ἱλάσκομαι ( ἵλαος = ἵλεως ), [in LXX (cf. Westc., Epp. Jo. , 85 f.) for סלח , IV Ki 5:18 24:4 , Ps 24(25):11 , La 3:42 , Da TH 9:19 ; כּפר pi., Ps 64(65):3 77(78):38 78(79):9 ; נחם ni., Ex 32:14 , Es 4:17 *;] in cl., c. acc. pers., to conciliate , appease , propitiate (= ἐξιλάσκομαι , Ge 32:20 , Pr 16:14 , Ma 1:9 , al.). In LXX (Thackeray, Gr. , 270, f.), Inscr. (Deiss., BS , 224 f.), and NT, to be propitious , merciful (c. dat. rei, Ps 78(79):9 , al.): c. dat. pers. ( IV Ki 5:18 ), Lk 18:13 . As in Philo (= ἐξιλάσκ- , in LXX: Ez 43:22 , al.), to expiate , make propitiation for : τ. ἁμαρτίας , He 2:17 (Cremer, 301 ff., 735).†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain