εἰρων-εύομαι · eirōn-euomai — LSJ
feign ignorance, so as to perplex, Arist. Rh. 1379b31; πρός τινα Pl. Cra. 384a; πρὸς ὑμᾶς αὐτούς Din. 2.11; banter, Arist. Pol. 1275b27: generally, dissemble, shuffle, Ar. Av. 1211, Pl. Ap. 38a, D. 60.18.
employ understatement, Polystr. p.15 W.
trans., treat with sarcasm, τινά Him. Ecl. 1.13.