ἀπαληθεύω
From LSJ
Οὕτως ἔδειξέν μοι κύριος καὶ ἰδοὺ ἐπιγονὴ ἀκρίδων ἐρχομένη ἑωθινή, καὶ ἰδοὺ βροῦχος εἷς Γωγ ὁ βασιλεύς (Amos 7:1) → Thus the Lord showed me and look, early-morning offspring of locusts coming, and look, one locust-larva: Gog the king.
English (LSJ)
A speak the whole truth, πρός τινα X.Oec.3.12: c. acc., χρόνος ὁ πάντα ἐκκαλύπτων καὶ ἀπαληθεύων Ael.Fr.62.
German (Pape)
[Seite 276] die Wahrheit gerad heraussagen, Xen. Oec. 3, 12. Auch die Wahrheit erforschen; bewähren, Suid.
Greek (Liddell-Scott)
ἀπᾰληθεύω: λέγω πᾶσαν τὴν ἀλήθειαν, πρός τινα Ξεν. Οἰκ. 3. 12. ἐν μέσ. τύπ. ΙΙ. ἀπαληθεύω, ἐξευρίσκω τὴν ἀλήθειαν, ἐκφαίνω τὴν ἀλήθειαν, Σουΐδ.