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Comparative
more authoritative
Superlative
most authoritative
1
having a confident and commanding presence that conveys authority and expertise
- The professor's authoritative tone made the students take his lecture seriously.
- She delivered an authoritative speech that left no room for doubt.
- His authoritative leadership style ensured that the team followed his directions without question.
- The book serves as an authoritative guide on ancient history.
- The judge's authoritative decision ended the debate immediately.
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2
sanctioned by established authority
Synonyms:
3
of recognized authority or excellence
Synonyms: