stolidly
From LSJ
μηδὲν κοτυλίζειν, ἀλλὰ καταπάττειν χύδην → not to sell by the cupful, but to dole out indiscriminately | not to sell by retail but wholesale
calmly: P. and V. ἡσυχῆ, ἡσύχως (rare P.).
resolutely: P. ἰσχυρῶς, V. ἐμπέδως.
dully, stupidly: P. ἀναισθήτως.