adverb
- in a way that shows or expresses authority; with confidence and power to command respect or obedience
- based on reliable or official sources; in a manner that is accurate and trustworthy
Examples
- The principal spoke authoritatively about the new school policies.
- She stated authoritatively that the project would be completed by Friday.
- The expert authoritatively confirmed the findings of the research.
- He authoritatively dismissed the rumors as completely false.
- The teacher authoritatively explained the complex mathematical concept.
- She authoritatively declared that no further discussion was needed.