Extended Strong's Greek Lexicon (Abbott-Smith based)
recommended
Usage: συ-στατικός (Tr. συν-), -ή, -όν (συνίστημι), __1. for putting together, constructive. __2. for bringing together, introductory, commendatory: ἐπιστολή (Arist., Diog. L., al.; and see MM, xxiv), 2Co.3:1.† (AS)