ἐξαληθίζομαι
From LSJ
Τὸ μανθάνειν δ' ἥδιστον εὖ λέγοντος, εἰ κέρδος λέγοι → It is the sweetest thing to learn from one speaking well, if they speak profitably
English (LSJ)
A to be truly recorded, EM327.44.
Spanish (DGE)
decir la verdad, ser verdadero o verídico εἴ πού τι καὶ πρὸς ἱστορίαν ἐξαληθίζεται (τὰ μυθολογούμενα) Phot.Bibl.319a26, cf. EM 327.44G.