authoritatively

Adverb

In an authoritative manner, being worthy of trust.

Japanese Meaning

権威ある様子で / 信頼に足る方法で

The professor answered the student's question authoritatively, leaving no doubt about the correct interpretation.

教授は学生の質問に権威ある口調で答え、正しい解釈に疑いの余地を残さなかった。

Sense（1）

In an authoritative manner, being worthy of trust.

more authoritatively

（ comparative ）

most authoritatively

（ superlative ）