sunoramō

σύνοιδα,
perfect with present sense, 1st pers. plural σύνισμεν Refs 5th c.BC+, Ionic dialect συνοίδαμεν Refs 5th c.BC+, 3rd.pers. plural συνίσᾱσι Refs 5th c.BC+; infinitive ξυνειδέναι Refs 5th c.BC+pluperfect with imperfect sense, συνῄδειν, Attic dialect συνῄδη, dual συνῄστην, plural -ῇσμεν, -ῇστε, -ῇσαν, Ionic dialect2nd pers. plural συνῃδέᾰτε Refs 5th c.BC+: future συν (ξυν-) είσομαι Refs 5th c.BC+, and aorist participle -ειδήσαςRefs 1st c.BC+:—know something about a person, especially as a potential witness for or against him, ἢ (i.e. Δίκη) σιγῶσα σύνοιδε τὰ γιγνόμενα πρό τ᾽ ἐόντα Refs 6th c.BC+; τά τοι ἐγὼ καὶ ἀμφότερα συνειδὼς ἔχω μαρτυρέειν to both of which I, knowing them true of you, can testify, Refs 5th c.BC+; τὰ Μηδικὰ καὶ ὅσα αὐτοὶ σύνιστε our other services to which you can testify, Refs 5th c.BC+; ὑπολαμβάνων παρ᾽ ὑμῶν ἑκάστῳ τὸ συνειδὸς ὑπάρχειν μοι believing that I can rely on your acknowledgement of my services, Refs 4th c.BC+; τί μοι σύνοισθα τοιοῦτον εἰργασμέν; Refs 5th c.BC+; ξυνειδὼς οὐ φράσει; Refs 5th c.BC+; οὐκ αἰσχυνοῦμαι.. εἰπεῖν (variant) ἅπασιν ὅσα σύνοιδ᾽ αὐτῷ κακά Refs 5th c.BC+; θνῄσκοντι συνείσῃ (conjecture Reiske for συνοίσῃ) thou wilt witness my death, Refs 5th c.BC+; δύ᾽ ἡμῶν ἢ τρία κακὰ ξυνειδὼς εἶπε δρώσας μυρία (i.e. Εὐριπίδης) Refs 5th c.BC+; καὶ τίνα σύνοισθά μοι καλουμένῃ βροτῶ; Refs 4th c.BC+; σύνοιδα τοῖς πλείστοις αὐτῶν ἥκιστα χαίρουσι I can bear witness that most of them are far from pleased.., Refs 5th c.BC+; with a mixture of dative and accusative construction, συνίσασι γὰρ αὐτῷ.. καθιστάμενον, ἐκ δὲ τούτων.. δυνάμενον Refs 7th c.BC+; ἐξ ὧν αὐτὸς σύνοισθα σαυτῷ ἐν τῇ τῶν γραμμάτων μαθήσει from your experience of yourself.., Refs 5th c.BC+; σύνοιδ᾽ ἐμαυτῇ πολλὰ (δείν᾽) NT+5th c.BC+; συνειδότες αὑτοῖς with full consciousness, Refs W.:—with participle
a in nominative, πῶς οὖν ἐμαυτῷ τοῦτ᾽ ἐγὼ ξυνείσομαι, φεύγοντ᾽ ἀπολύσας ἄνδρ; Refs 5th c.BC+
b in dative, σύνοιδα ἐμαυτῷ ἀντιλέγειν οὐ δυναμένῳ Refs 5th c.BC+
2 with dative of things, know something about a thing, τοῖς διὰ τῶν εἰκότων τὰς ἀποδείξεις ποιουμένοις λόγοις σύνοιδα οὖσιν ἀλαζόσιν Refs 5th c.BC+; καιρὸς.. σὲ εἰπεῖν ἃ σύνοισθα τῷ βίῳ ἑκάστῳ what you know about each life, Refs 2nd c.AD+
II share the knowledge of something with somebody, to be implicated in or privy to it, οὐδὲ ξυνῄδει σοί τις ἔκθεσιν τέκνο; Refs 5th c.BC+; ξύνοιδε δ᾽ οὔτις οἰκετῶν νόσονRefs 5th c.BC+; συνειδέναι δὲ (i.e. τὰς μαντηΐας) καὶ τοὺς Πυθίους NT+5th c.BC+participle
II.a in dative, μήτε τῳ ξυνειδέναι τὸ πρᾶγμα βουλεύσαντι Refs 5th c.BC+
II.b in accusative, ἀνδράποδα, ἂ συνῄδει τὴν γυναῖκα.. θάνατον μηχανωμένην Refs 5th c.BC+
III know well, αὐτὸς ξυνειδώς, ἢ μαθὼν ἄλλου πάρ; as from his own knowledge, or.. ? Refs 5th c.BC+; so also (unless there is ellipse of reflexive pronoun) σύνοιδα δείν᾽ εἰργασμένος Refs 5th c.BC+
IV with dative of things. to be privy to, Refs 1st c.BC+; τῷ φόνῳ Refs 2nd c.AD+
V τὸ συνειδός complicity, τὸ σ. τοῦ πράγματος Refs 1st c.AD+; consciousness, τοῦ ἐνδεοῦς Refs
V.2 conscience, ὑπὸ συνειδότος ἐπαρρησιάζετο ἀγαθοῦ Refs 5th c.BC+
VI ὡς ἂν συνειδῇς as you may think proper, Refs 6th c.AD+

H. G. Liddell, R. Scott, H. S. Jones, A Greek-English Lexicon (9th ed., 1925–1940) — digitised by the Perseus Digital Library and corrected and expanded by Tyndale House, Cambridge, via STEPBible-Data's TFLSJ table, CC BY 4.0. Covers all of Greek literature, not just the Bible.