Словарь синонимов английского языка - mainly

(adv) in the main, chiefly, principally, predominantly, generally, above all, on the whole, in general, mostly, most of all, effectively, essentially, at bottom, first and foremost, for the most part, largely, by and large, primarily,as a rule, usually, all in all, on balance, for all practical purposes, in the long run: We are concerned mainly with safety. The tourists are mainly from Italy.