ἀληθέστατον (alethestaton)
ἀληθέστατον is an Ancient Greek form of ἀληθής, meaning “true”. It is the accusative singular masculine adjective.
Found 31 times in the Ancient Greek texts on Socratos.
Where it is used
Thucydides, History of the Peloponnesian War 7.67.4: τὸ δ’ ἀληθέστατον γνῶτε ἐξ ὧν ἡμεῖς οἰόμεθα σαφῶς πεπύσθαι· ὑπερβαλλόντων γὰρ αὐτοῖς τῶν κακῶν καὶ βιαζόμενοι ὑπὸ τῆς παρούσης …
Plutarch, Quomodo adulator ab amico internoscatur 32·2: … ὑπὲρ τῆς Ἑλλάδος ἔφη τοὺς λόγους αὐτοῦ πόλεως δεῖσθαι· παρρησία δὲ παντὸς ἀνδρὸς ἤθους ἴσως δεῖται, καὶ τοῦτʼ ἀληθέστατόν ἐστιν ἐπὶ τῶν ἑτέρους νουθετούντων καὶ σωφρονιζόντων λεγόμενον. ὁ γοῦν Πλάτων ἔλεγε νουθετεῖν τῷ βίῳ τὸν Σπεύ …
All forms of ἀληθής (declension table)
Source: Socratos (socratos.org), a free reader for Ancient Greek and Latin. Grammar from the Perseus Treebank and Morpheus; dictionary entries from Liddell-Scott-Jones, A Greek-English Lexicon (Perseus Digital Library, CC BY-SA). Counts are from the texts on Socratos.