The Collaborative International Dictionary
Magisterially
Magisterially \Mag`is*te"ri*al*ly\, adv. In a magisterial manner.
Wiktionary
magisterially
adv. In a magisterial manner; authoritatively.
WordNet
magisterially
adv. in an overbearingly domineering manner; as a dictator; "this manager acts dictatorially toward his colleagues" [syn: dictatorially, autocratically]
in an authoritative manner; "she spoke authoritatively" [syn: authoritatively, with authority]