What is Authoritatively?
Authoritatively definition and meaning on Dictionary terms:
having due authority; having the sanction or weight of authority: an authoritative opinion.
substantiated or supported by documentary evidence and accepted by most authorities in a field: an authoritative edition of Shakespeare; an authoritative treatment of a subject.
having an air of authority; accustomed to exercising authority; positive; peremptory; dictatorial: said with an authoritative air.