From sun and bibazo (to force; causative (by reduplication) of the base of basis); to drive together, i.e. Unite (in association or affection), (mentally) to infer, show, teach -- compact, assuredly gather, intrust, knit together, prove.
see GREEK sun
see GREEK basis
1. to cause to coalesce, to join together, put together: τό σῶμα, passive, of the parts of the body 'knit together' into one whole, compacted together, Ephesians 4:16; Colossians 2:19; to unite or knit together in affection, passive, Colossians 2:2 (cf. Winers Grammar, § 63, 2 a.; Buttmann, § 144, 13 a.) (to reconcile one to another, Herodotus 1, 74; Thucydides 2, 29).
2. to put together in one's mind, to compare; by comparison to gather, conclude, consider: followed by ὅτι, Acts 16:10 (Plato, Hipp., min., p. 369 d.; de rep. 6, p. 504 a.).
3. to cause a person to unite with one in a conclusion or come to the same opinion, to prove, demonstrate: followed by ὅτι, Acts 9:22 ((Aristotle, top. 7, 5, p. 151a, 36); followed by ὡς (Aristotle, rhet. Alex. 4, p. 1426a, 37: etc.); Jamblichus, vit. Pythagoras c. 13 § 60; followed by the accusative with infinitive, Ocellus Lucanus, 3, 3); by a usage purely Biblical, with the accusative of a person, to teach, instruct, one: 1 Corinthians 2:16; for הֵבִין, Isaiah 40:14; for הודִיעַ , Exodus 18:16; Deuteronomy 4:9; Isaiah 40:13, Alex., Ald., etc.; for הורָה, Exodus 4:12, 15; Leviticus 10:11; בִּינָה הִשְׂכִּיל, Theod., Daniel 9:22. (The reading συνεβίβασαν in Acts 19:33, given by manuscripts א A B etc. (and adopted by L T Tr WH) yields no sense; (but it may be translated (with R. V. marginal reading) 'some of the multitude instructed Alexander', etc.; R. V. text translates it they brought Alexander out of the multitude, etc.).)