Henry George Liddell, Robert Scott, A Greek-English Lexicon

A.“ξυνίει” Od.1.271, etc. (“ξύνιε” Thgn.1240 is prob. corrupt); 3sg. subj. “συνιῇ” Pl. Prt.325c; inf. συνιέναι, Ep. “-ι_έμεν” Hes.Th.831; also “συνιεῖν” Thgn. 565, later “συνίειν” LXX 1 Ki.2.10, al.; part. “ξυνι_είς” Ar.Lys.1016 (lyr.), (συν-) Pl.Sph.253b, etc.; later “συνίων” LXX 1 Ki.18.14: impf. “συνίην” Ach.Tat.1.9; συνίειν (s. v.l.) Luc.DDeor.6.2, Philops.39; 3sg. “ξυνίει” X.An.7.6.9; 3pl. “ξυνίεσαν” Th.1.3, Ep. “ξύνιεν” Il.1.273: fut. “συνήσω” Hdt.9.98, Pl.Prt.325e: aor. 1 “συνῆκα” A.Ag.1112,1243, Hdt.5.92.γ́, Ar.Ach.101, etc.; Ep. “ξυνέηκα” Il.1.8, al.; “ἐξυνῆκα” Anacr.146; “ἐσύνηκα” Alc.131; but aor. 2 imper. ξύνες, S.Tr.868; pl. σύνετε v.l. in Ev.Marc.7.14; part. “συνείς” A.Pers.361, Hdt.1.24, 5.92.γ́ and ή; Aeol. “σύνεις” Alc.Supp.4.10; Dor. inf. “συνέμεν” Pi.P.3.80: pf. “συνεῖκα” Plb. 5.101.2 (συνηκέναι codd., corr. Schweigh.), etc.; Dor. 1 pl “συνείκαμες” Plu.2.232d; pf. part. συνεικώς prob. l. in J.Vit.45.--In Hom. we find of pres., only imper. “ξυνίει” Od. l.c.; ofimpf., 3pl. ξύνιεν for ξυνίεσαν, Il.1.273; of aor. 1, Ep. 3sg. ξυνέηκε; of aor. 2, imper. “ξύνες” 2.26, al.; of aor. 2 Med., 3sg. “ξύνετο” Od.4.76; subj. 1pl. “συνώμεθα” Il.13.381; all except the last form with ξυν-, though seldom required by the verse. [As in ἵημι, the 1st syll. is short in Ep., long in Trag. and Com.: Hes. however has συνι_έμεν (l.c., metri gr.); S. ξυνιημι in a dactylic verse, El.131; and Ar. ξυνιημι in an iamb. trim., Av.946, cf. Philem.123.3.]

I. bring or set together, in hostile sense, τίς τ᾽ ἄρ σφωε . . ἔριδι ξυνέηκε μάχεσθαι; Il.1.8; “οὓς ἔριδος μένεϊ ξυνέηκε μάχεσθαι” 7.210; but ἀμφοτέρῃς . . ἕνα ξυνέηκεν ὀϊστόν shot one arrow at both together, Musae.18.

2. Med., come together, come to an agreement, “ὄφρα . . συνώμεθα . . ἀμφὶ γάμῳ” Il.13.381.

3. send herewith, PSI6.665.7 (iii B.C.).

II. metaph., perceive, hear, freq. in Hom. (who also has Med. in this sense, “ἀγορεύοντος ξύνετο” Od.4.76); “ὣς φάθ᾽, ὁ δὲ ξυνέηκε” Il.15.442; “εἰ δ᾽ ἄγε νῦν ξυνίει” Od.1.271:—Constr., c. acc. rei, “ξυνέηκε θεᾶς ὄπα φωνησάσης” Il.2.182; “ἐμέθεν ξυνίει ἔπος” Od.6.289, cf. S.Ant. 1218, Ar.Pax603: c. gen. pers., “νῦν δ᾽ ἐμέθεν ξύνες ὦκα” Il.2.26; καὶ κωφοῦ συνίημι Orac ap.Hdt.1.47: rarely c.gen.rei, “μευ βουλέων ξύνιεν” Il.1.273.

2. to be aware of, take notice of, observe, “τοῖιν” Od.18.34; “τῶν δὲ σὺ μὴ ξύνιε” Thgn.1240 (sed leg. ξυνίει): c. acc., Hdt.1.24: folld. by a relat., “ξύνες δὲ τήνδ᾽, ὡς . . χωρεῖ” S.Tr.868 (lyr.): abs., “πολλά με καὶ συνιέντα παρέρχεται” Thgn.419.

3. understand, ξ. ἀλλήλων understand one another's language, Hdt.4.114, Th.1.3; εὖ λέγοντος . . τοῦ Δελφικοῦ γράμματος οὐ ς. Pl.Alc.1.132c, cf. Lg.791e: freq. c. acc. rei only, Pi.P.3.80, A.Pers.361, Hdt.3.46, Ar.Pl.45, etc.; “ξυνῆκα τοὔπος ἐξ αἰνιγμάτων” A.Ch.887, cf. Ag.1243, S.El.1479; “ξ. δὲ αὐτὸς Ἑλληνιστὶ τὰ πλεῖστα” X.An.7.6.9; “δι᾽ ἑρμηνέων ξ. τι” Id.Cyr.1.6.2; “συνιέντες τὰ ναυτικά” Id.HG1.6.4: abs., τοῖς ξυνιεῖσιν to the intelligent, Thgn.904; in Com. dialogue, parenthetically, συνίης; like μανθάνεις; Lat. tenes? Alex.124.6, Diph.32.13; οὐχὶ ξυνίης; S.El.1347; “οὔπω ξυνῆκα” A.Ag.1112: also folld. by a clause, “οὐ ξυνιᾶσιν ὅκως . . ” Heraclit. 51; “ξυνίημ᾽ ὅτι βούλει” Ar.Av.946 (ξυνῆχ᾽ cj. Brunck); “ς. τὸ γράμμα ὃ βούλεται” Pl.Prm.128a, cf. Hdt.9.110: also, like other Verbs of perception, c. part., “ξυνιᾶσι τιμώμενοι” Democr.95; οὐ συνίης καταναλίσκων; Plu.2.231d; “συνῆκα ἡδὺς γεγενημένος” Luc.DDeor.2.1, cf. Tim.8.