Extended Strong's Greek Lexicon (Abbott-Smith based)
to obey
Usage: πειθαρχέω, -ῶ (πείθομαι, ἀρχή) [in LXX: Dan LXX 7:27 (שְׁמַע), Sir.33:28, I Est.8:94 * ;] to obey one in authority, be obedient: Tit.3:1; with dative, Act.27:21; θεῷ, Act.5:29, 32.† (AS)