Abbott-Smith Manual Greek Lexicon
ἁγνίζω (G48)
7 ἁγνίζω (> ἁγνός ), [in LXX always ceremonially, chiefly for קדשׁ ;] to purify , cleanse from defilement ; ceremonially: Jo 11:55 , Ac 21:24 , 26 24:18 ; morally: Ja 4:8 , I Pe 1:22 , I Jo 3:3 .† SYN. : καθαρίζω , q.v. (and v.s. ἁγνός ).
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain