ἀστεΐζομαι
From LSJ
βωμὸν Ἀριστοτέλης ἱδρύσατο τόνδε Πλάτωνος, ἀνδρὸς ὃν οὐδ' αἰνεῖν τοῖσι κακοῖσι θέμις → Aristotle had this altar of Plato set up — Plato, a man whom the wicked dare not even mention in praise
English (LSJ)
A write or talk wittily or eloquently, Str.13.4.11, J.Ap.2.9, Demetr.Eloc.149, Plu.Marc.21; talk speciously, Ph.2.123:—Act. in St.Byz. s.v. ἄστυ.