Quick Definition
συζήτησις, εως, ἡ n.f. mutual questioning, disputation
Strong's Definition
mutual questioning, i.e. discussion
Derivation: from G4802 (συζητέω);
KJV Usage: disputation(-ting), reasoning
Thayer's Greek Lexicon
συ-ζήτησις [συν- L Trmrg. (cf. σύν, II. fin.)], -ews, 7, (cutnréw), mutual questioning, disputation, discussion : Acts xv. 2 Rec., 7 RG LTrmrg.; xxviii. 29 yet GLT Tr WH om. the vs. (Cic. ad fam. 16, 21,4; Philo, opif. mund. § 17 fin. [(var. lect.) ; quod det. pot. § 1]; legg. alleg. 3, 45.)
Mounce Concise Greek Dictionary
Abbott-Smith Greek Lexicon
*† συν-ζήτησις (Rec. συζ-), -εως, ἡ disputation: Ac 28:29 (WH, R, txt., om.).†
Moulton & Milligan — Vocabulary of the Greek NT
συνζήτησις, “* discussion” (in TR of Ac 289), is one of the Greek words used by Cicero, ad Fam. xvi. 21. 4 non est enim setunctus zocus a prdodoyla ef guotidiana συζητήσει. in Epicurus “7. Ixxiv. (ed. Bailey, p. 116). It is also found
Liddell-Scott-Jones — Greek-English Lexicon
συζήτησις (suzētēsis) — discussion. συζήτ-ησις, εως, ἡ, joint inquiry, discussion, [Refs 4th c.BC+]
II. disputation, [NT+1st c.BC+]