Dictionary entry

διαγινώσκω

G. Abbott-Smith's A Manual Greek Lexicon of the New Testament

δια-γινώσκω

(v. previous word), [in LXX chiefly for ידע, and cf. II Mac 9:15;]

1. to distinguish, ascertain exactly: Ac 23:15

2. As Athen. law-term, to determine: τὰ καθ’ ὑμᾶς, your case, Ac 24:22 (Cremer, 673).†