ἀλήθεια
Etym. ἀληθής
I. "truth"
1. "truth", as opp. to a lie, παιδὸς πᾶσαν ἀλ. μυθεῖσθαι to tell the whole "truth" about the lad, Od.; so, χρᾶσθαι τῇ ἀλ. Hdt.; ἡ ἀλ. περί τινος Thuc.
2. "truth, reality", opp. to appearance, τῶν ἔργων ἡ ἀλ. Thuc.
3. adverb. usages, τῇ ἀληθείᾳ "in very truth", Thuc.; rarely ἀληθείᾳ Plat.; ἐπ᾽ ἀληθείας "in truth and reality", Dem.; μετ᾽ ἀληθείας Xen.; κατ᾽ ἀλήθειαν Arist.
II. "the character of the" ἀληθής, "truthfulness, sincerity, frankness, candour", Hdt., etc.