ἐπαγγελτικός

ή, όν, Adv.
A. given to promising, ἐπεκλήθη Δώσων ὡς ἐ. Plu. Aem. 8; also [λόγος] πρὸς τοὺς πολλοὺς ἐ. Phld. Rh. 2.2.S., cf. Iamb. Myst. 3.30. Adv. ‐κῶς Ath.Mech. 15.9: Comp. ‐κώτερον, εἰπεῖν too professorially, Arist. Rh. 1398b30.
2. promised, οὐ δύνασθαι τελεῖν τὸ ἐ. ἀργύριον SIG 832.7 (Epist. Hadr.).
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project