- (a.) Having or proceeding from, due authority; entitled to obedience, credit or acceptance; determinate; commanding.
- (a.) Having an air of authority; positive; dictatorial; peremptory; as, an authoritative tone.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). authoritative. Retrieved September 22, 2026, from http://smartdefine.org/authoritative/definitions/1977239 |
| Chicago | Webster's. 2011. "authoritative" http://smartdefine.org/authoritative/definitions/1977239 (accessed September 22, 2026). |
| Harvard | Webster's 2011, authoritative, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/authoritative/definitions/1977239>. |
| MLA | Webster's. "authoritative" 27 May 2011. Web. 22 September 2026. <http://smartdefine.org/authoritative/definitions/1977239> |