εἰρωνεύομαι
From LSJ
λύπης ἰατρός ἐστιν ὁ χρηστὸς φίλος → a true friend is grief's physician, a worthy friend is a physician to your pain
English (LSJ)
A 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. 2 employ understatement, Polystr.p.15 W. II trans., treat with sarcasm, τινά Him.Ecl.1.13.