Dictionary entry

ἀληθεύω

G. Abbott-Smith's A Manual Greek Lexicon of the New Testament

ἀληθεύω

(< ἀληθής), [in LXX: Ge 20:16 (יָכַח) Ge 42:16 (אֶמֶת), Pr 21:3 (מִשְׁפָּט), Is 44:26 (שָׁלַם), Si 34:4*;]

to speak the truth (R, mg., deal truly; Field, Notes, 192): Ga 4:16, Eph 4:15.†