A.= λανθάνω: “ἀληθὲς τὸ μὴ λήθῃ ὑποπῖπτον” EM62.51):—unconcealed, so true, real, opp. false, apparent:
I. Hom., opp. ψευδής,in phrases ἀληθέα μυθήσασθαι, εἰπεῖν, ἀγορεύειν, ἀληθὲς ἐνισπεῖν, Il.6.382, Od.13.254, 3.254, 247, al.; in Hdt. and Att. τὸ ἀληθές, by Trag. crasis τἀληθές, Ion. τὠληθές (Hdt.6.68, 69), or τὰ ἀληθῆ, by crasis τἀληθῆ, etc.; “ἀληθέϊ λόγῳ χρᾶσθαι” Hdt. 1.14, etc.; “οἱ ἀληθέϊ λόγῳ βασιλέες” 1.120; “ἀληθεστάτη πρόφασις” Th.1.23.
2. of persons, etc., truthful, honest (not in Hom., v. infr.), “ἀ. νόος” Pi.O.2.92; “κατήγορος” A.Th.439; “κριτής” Th.3.56; οἶνος ἀ. `in vino veritas', Pl.Smp.217e; “ὁ μέσος ἀ. τις” Arist.EN 1108a20.
3. of oracles, true, unerring, “ἀλαθέα μαντίων θῶκον” Pi. P.11.6, cf. S.Ph.993, E.Ion1537; of dreams, A.Th.710.
II. of qualities or events, true, real, “φίλος” E.Or.424; “ἀ. τὸ πραχθέν” Antipho 1.6; genuine, “ἀ. εἶναι δεῖ τὸ σεμνόν, οὐ κενόν” Men.596.
b. actually, in reality, γένος τόδε Ζηνός ἐστιν ἀ. ib.585; “ἀ. οὐδὲν ἐξῃκασμένα” Id.Ag.1244, cf. Th.1.22, etc.; τὴν ἀ. μουσικήν (sc. οὖσαν) Antiph.209.6:—ὡς ἀ. in the true way, really, E.Or.739, Pl. Phd.63a, etc.; “ἡ μὲν γὰρ ὡς ἀ. μήτηρ” D.21.149: Comp. “-εστέρως” Pl. R.347e, “-έστερον” Antipho 3.3.4: Sup. “-έστατα” X.Mem.4.8.1.
2. neut. as Adv., proparox. ἄληθες; indeed? really? ironically, S.OT 350, Ant.758, E.Cyc.241, Ar.Ra.840, Av.174.