Extended Strong's Greek Lexicon (Abbott-Smith based)
to decide
Usage: δια-γινώσκω (see previous word), [in LXX chiefly for ידע, and cf. 2Ma.9:15 ;] __1. to distinguish, ascertain exactly: Act.23:15 __2. As Athen. law-term, to determine: τὰ καθ᾽ ὑμᾶς, your case, Act.24:22 (Cremer, 673).† (AS)