Definify.com
Webster 1913 Edition
Authoritative
Au-thor′i-ta-tive
,Adj.
1.
Having, or proceeding from, due authority; entitled to obedience, credit, or acceptance; determinate; commanding.
The sacred functions of
authoritative
teaching. Barrow.
2.
Having an air of authority; positive; dictatorial; peremptory;
as, an
. authoritative
toneThe mock
– authoritative
manner of the one, and the insipid mirth of the other. Swift.
Au-thor′i-ta-tive-ly
, adv.
Au-thor′i-ta-tive-ness
, Noun.
Webster 1828 Edition
Authoritative
AUTHOR'ITATIVE
,Adj.
1.
Having due authority.2.
Having an air of authority; positive; peremptory.