Abbott-Smith Manual Greek Lexicon
ἐπίνοια (G1963)
2 ἐπίνοια , -ας, ἡ ( ἐπινοέω , to contrive ) [in LXX: Je 20:10 , Wi 6:16 9:14 14:12 15:4 , Si 40:2 , II Mac 12:45 , IV Mac 17:2 * ;] a thought, design : Ac 8:22 .†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain