Extended Strong's Greek Lexicon (Abbott-Smith based)
propitiation
Usage: ἱλασμός, -οῦ (ἱλάσκομαι), [in LXX: Lev.25:9, Num.5:8 (כִּפֻּר), Psa.130:4, Da TH Dan.9:9 (סְלִיחָה), Amo.8:14 (אַשְׁמָה), Eze.44:27 (חַטָּאָה), 1Ch.28:20, Sir.18:20 A, 2Ma.3:33 * ;] __1. an appeasing (Plut.). __2. a means of appeasing, propitiation (Philo; Nu, Ez, ll.with): 1Jn.2:2 Jn 4:10. __3. In LXX also forgiveness (Ps, Da TH, ll.with).† (AS)