effectively(in an efficient or effective manner; with powerful effect) adverb [UK: ɪ.ˈfekt.ɪv.li] [US: ɪ.ˈfekt.ɪv.li]Consistent and regular practice is essential for mastering a foreign language effectively. = Una pratica assidua e regolare è essenziale per padroneggiare efficacemente una lingua straniera.
effectually(in such a way as to achieve a desired result) adverb [UK: ɪ.ˈfek.tʃʊə.li] [US: ɪ.ˈfek.tʃʊə.li]
efficaciously(in an efficacious manner) adverb [UK: ˌe.fɪˈk.eɪ.ʃə.sli] [US: ˌe.fɪˈk.eɪ.ʃə.sli]