au*thor"i*ta*tive*ness
Webster's Dictionary (GCIDE)
Authoritative \Au*thor"i*ta*tive\, a.
1.Having, or proceeding from, due authority; entitled to obedience, credit, or acceptance; determinate; commanding. [1913 Webster]
The sacred functions of authoritative teaching.— Barrow.[1913 Webster]
2.Having an air of authority; positive; dictatorial; peremptory; as, an authoritative tone. [1913 Webster]
The mock authoritative manner of the one, and the insipid mirth of the other. --Swift. [1913 Webster] -- Au*thor"i*ta*tive*ly, adv. -- Au*thor"i*ta*tive*ness, n. [1913 Webster]