Lexical Definition

‎συνάγω‎ synágō (soon-ag'-o) to assemble ^G:V
from ‎σύν‎ and ‎ἄγω‎

+ accompany, assemble (selves, together), bestow, come together, gather (selves together, up, together), lead into, resort, take in.

• to lead together, i.e. collect or convene
• specially, to entertain (hospitably)

Abbott-Smith

συν-άγω [in LXX chiefly forאסף, also forקבץ, etc. (cf. Kennedy, Sources, 128) ;]
to gather or bring together: of things, Jo 6:12, 13; seq. εἰς, Mt 3:12, al.; ἐκεῖ, Lk 12:18; ποῦ, Lk 12:17; συναγαγὼν πάντα (sc. εἰς ἀργύριον; v. Field, Notes, 68, MM, xxiv), having sold off all: Lk 15:13; of persons, Jo 11:52; esp. of assemblies, Mt 2:4, Jo 11:47, Ac 14:27, al. Pass., to be gathered or come together: Mt 22:41, Mk 2:2, Lk 22:66, al.; seq. ἐπί Mk 5:21, Ac 4:27; πρός, Mt 13:2, Mk 4:1, al.; εἰς, Re 19:17; ἐν, Ac 11:26; μετά, Mt 28:12; οὗ, Mt 18:20; ὅπου, Mt 26:57; ἐκεῖ, Jo 18:2, al.
In late writers (v. Kennedy, Sources, 128; cf. De 22:2, al.), to receive hospitably, entertain: Mt 25:35, 38, 43 (cf. ἐπι-συνάγω)

Abbott-Smith References

Liddell-Scott-Jones

συνάγω [ᾰ],

imperfect συνῆγον, Doric dialect -ᾶγον[Refs 5th c.BC+], Epic dialect σύνᾰγον [Refs 8th c.BC+]future συνάξω: aorist 1 συνῆξα, Doric dialect -ᾶξα[Refs 2nd c.BC+]; infinitive συνάξαι variant in [NT]; participle συνάξας falsa lectio for{συννάξας} in [Refs 5th c.BC+]aorist is συνήγαγον: Attic dialect perfect συνῆχα [Refs 5th c.BC+]; Doric dialect συναγάγοχα [Refs]perfect passive συνῆγμαι, Doric dialect -ᾶγμαι[Refs 5th c.BC+].--Old Attic dialect ξυνάγω, which [Refs 8th c.BC+] also uses for the sake of meter:—bring together, gather together:

__I of persons, animals, etc., ἡ δὲ ξυνάγουσα γεραιὰς νηόν.. to the temple, [Refs 8th c.BC+]; ποίμνας Ὀλύμπου σ. [Refs 5th c.BC+]; Ἕλληνας εἰς ἓν καὶ Φρύγας σ. [Refs 5th c.BC+]; σ. ἐς ὀλίγον crowd them into a narrow compass, [Refs 5th c.BC+]; εἰς ἕν, εἰς μίαν ἀρχήν, [Refs 4th c.BC+]
__I.2 bring together for deliberation or festivity, βουλήν [Refs 5th c.BC+]; ἔς τι, περί τινος, [Refs 5th c.BC+]; σ. πανηγύρεις, ἑταιρείας, συσσίτια, etc., [Refs 5th c.BC+]:—passive, πανήγυρις.. συναγομένη [Refs 3rd c.AD+]: absolutely, hold a club dinner or meeting, [Refs 4th c.BC+]; σ. ἀπὸ συμβολῶν [Refs 4th c.BC+]; νυνὶ.. συνάγουσι they are at dinner, [Refs 4th c.BC+]
__I.3 in hostile sense, ξ. Ἄρηα, ἔριδα Ἄρηος, ὑσμίνην, join battle, begin the battle-strife, etc., [Refs 8th c.BC+]; πόλεμον σ. [Refs 5th c.BC+]
__I.3.b match, pit two warriors one against the other, [Refs 4th c.BC+]. engage in fight, [Refs 3rd c.BC+]
__I.3.c collect or levy soldiers, [Refs 5th c.BC+]; collect slaves for work, [Refs 3rd c.BC+]
__I.4 bring together, join in one, unite, ἄμφω ἐς φιλότητα [Refs 4th c.BC+]; τὸ κακὸν σέ τε κἀμὲ σ. [Refs 5th c.BC+]; γυναῖκα καὶ ἄνδρα, of Isis, [Refs 3rd c.AD+]. contract marriages, [Refs 5th c.BC+]
__I.5 bring together, make friends of, reconcile, [Refs 5th c.BC+]; bring persons together in works of fiction, Κρέοντα καὶ Τειρεσίαν [Refs 5th c.BC+]
__I.6 σ. ἑαυτόν collect oneself, [Refs 1st c.AD+]
__I.7 lead with one, receive, σ. εἰς τὸν οἶκον [LXX]gave hospitality to.., [NT]:—passive, [NT]
__II of things, σύναγεν νεφέλας [Refs 8th c.BC+]; τὸ ἔλαιον ἐν ἀγγείοις interpolated in [Refs 5th c.BC+]; καρπόν [Refs 4th c.BC+]; τρυγᾶν καὶ σ. [Refs 3rd c.BC+]; τὴν μήκωνα σ. [Refs 3rd c.BC+]; σ. εἰς μίαν γωνίαν τὸ ἀποκτένισμα τοῦ στιππύου [Refs 3rd c.BC+]; συναγαγεῖν καὶ συναθροῖσαι τὸ θερμόν [NT+5th c.BC+]; of an artist, σ. τὰ κάλλιστα ἐκ πολλῶν [Refs 5th c.BC+]
__II.b of a historical writer, σ. τὰς πράξεις [Refs 5th c.BC+]; συνηγμένος concise in speech, [Refs 3rd c.AD+]; of an anthologist, ὅλας ῥήσεις εἰς ταὐτὸν σ. [Refs 5th c.BC+]; σ. εἰς ταὐτὸν τὰ κάλλιστα τοῖς αἰσχίστοις jumble together, identify, [Refs 5th c.BC+]
__II.2 draw together, so as to make the extremities meet, τὰ κέρεα (of an army) [Refs 5th c.BC+]; Αἴας δὲ.. δεξιὸν κέρας πρὸς τὸ λαιὸν (uncertain reading) ξυνᾶγε [Refs 5th c.BC+]; σ. τὰ τέρματα, of two rivers which gradually approach one another, [Refs 5th c.BC+]; σ. ἑαυτόν, of a snake, [Refs 4th c.BC+]; σ. τοὺς πόρους, of a styptic, [Refs 4th c.BC+]; σ. τὰν ἁφάν, τὰν γεῦσιν, [Refs 5th c.BC+]
__II.2.b draw together, narrow, contract, [τὴν διώρυχα] [Refs 5th c.BC+]; πρῴρην σ. bring it to a point, [Refs]; τὸν.. Χρόνον ὡς εἰς μικρότατον σ. [Refs 4th c.BC+]:—passive, συνάγεται καὶ διοίγεται ὁ φάρυγξ [Refs 4th c.BC+]; εἰς στενόν Didym. cited in [Refs 3rd c.BC+]; συνῆκται ἡ κοιλία is pinched in, drawn in, [Refs 2nd c.AD+]
__II.2.c σ. τὰς ὀφρῦς [Refs 5th c.BC+]; σ. τὰ βλέφαρα close the eyelids,[Refs 2nd c.AD+]; but σ. τὰ ὦτα prick the ears, of dogs, [Refs 5th c.BC+]
__II.2.d metaphorically, σ. τινὰς ἐς κίνδυνον ἔσχατον [Refs 2nd c.AD+]; συνάγεσθαι to be straitened, afflicted, λιμῷ, σιτοδείᾳ, [Refs 2nd c.BC+]; συνάγεσθαι τοῖς Χαρακτῆρσι to become pinched in its features, [Refs 2nd c.AD+]; but πεφυκότος τοῦ θερμοῦ συνάγειν καὶ τονοῦν τὴν γαστέρα pull the stomach together, [Refs 2nd c.AD+]
__II.3 conclude from premisses, infer, prove, [Refs 4th c.BC+]: with infinitive, [Refs 2nd c.AD+] form a conclusion of his having been.., [Refs 4th c.BC+]; συνάγοντες λόγοι cogent arguments, [Refs 2nd c.AD+]: also, sum up numbers, [Refs 1st c.BC+]; also, obtain them by multiplication, ὁ συνηγμένος [ἀριθμὸς] ἐκ τῶν κβ καὶ πθ the product.. , [Refs 3rd c.BC+]; of division, give a quotient, [Refs 3rd c.AD+]; of an integer, yield a fraction [Refs]; of any calculation, yield a result, [Refs]
__II.4 passive, συνάγεται τᾷ περιφορᾷ is carried along with it, [Refs 5th c.BC+]
__II.5 bring about, τὸ τέλος τῆς νίκης [Refs 2nd c.AD+]

_{LSJ Scripture Refs: Luke.3.17 ☩ LXX.2Kgs.11.27 ☩ LXX.Judg.19.15 ☩ Matt.25.35 ☩ Acts.11.26 ☩ Matt.6.26}