magisterial
[adjective]
Synonyms: authoritative, commanding, lordly, masterful

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Related Words: disdainful, insolent, lordly, supercilious

[TahlilGaran] English Synonym Dictionary ▲

ma‧gis‧te‧ri‧al /ˌmædʒəˈstɪəriəl◂, ˌmædʒɪˈstɪəriəl◂ $ -ˈstɪr-/ adjective
[Date: 1600-1700; Language: Late Latin; Origin: magisterialis, from Latin magister; ⇒ magistrate]

1. a magisterial way of behaving or speaking shows that you think you have authority:
his magisterial voice

2. a magisterial book is written by someone who has very great knowledge about a subject:
his magisterial study of the First World War

3. [only before noun] connected with or done by a magistrate
—magisterially adverb

[TahlilGaran] Dictionary of Contemporary English ▲