ἀληθείᾳ: [19 verses] (noun sg fem nom) "Truth" is aletheia, which means literally "the state of not being hidden," "truth," and "reality." It was also applied to "real events" and "the realization of a dream." Applied to people, it means "truthfulness" and "sincerity." The opposite of a lie or appearance.  The Greek concept of truth was that it was defined by its opposition to that which is concealed. This goes back to a daughter of Zeus, Aletheia, whose opposites were Dolos (Trickery), Apate (Deception) and the Pseudologoi (Lies).-- The literal meaning of the Greek word for "truth" is "not hidden," and it means what is real as opposed to how things seem. Applied to people, it means "truthfulness" and "sincerity." The opposite of a lie or appearance.