- The definition of authoritative is someone or something having power, influence or the right to control and make decisions.
- When a parent speaks to a child in a certain tone of voice so that the child knows he must obey, that is an example of an authoritative voice.
- A supervisor who is in charge of setting schedules is an example of a person who is authoritative.
- Authoritative is defined as someone who knows a great deal about a certain subject and who is generally considered an expert.
A book written by an expert on certain subject matter is an example of an authoritative book.
- having or showing authority; official
- based on competent authority; reliable because coming from one who is an expert or properly qualified: an authoritative biography
- asserting authority; fond of giving orders; dictatorial
Origin: Midieval Latin auctoritativus
Used by arrangement with John Wiley & Sons, Inc.
- Having or arising from authority; official: an authoritative decree; authoritative sources.
- Of acknowledged accuracy or excellence; highly reliable: an authoritative account of the revolution.
- Wielding authority; commanding: the captain's authoritative manner.
- au·thorˈi·taˌtive·ly adverb
- au·thorˈi·taˌtive·ness noun