- Having, or proceeding from, due authority; entitled
to obedience, credit, or acceptance; determinate; commanding. - Having an air of authority; positive; dictatorial;
peremptory; as, an authoritative tone.
Meaning of 'authoritative' (Princeton's WordNet)
1 . authoritative
[ s]
Meaning (1): - sanctioned by established authority
Example in sentence:
an authoritative communique;
the authorized biography
Meaning (2): - having authority or ascendancy or influence
Example in sentence:
an important official;
the captain's authoritative manner
Meaning (3): - of recognized authority or excellence