authoritatively
🇺🇸
/əˈθɔːrəteɪtɪvli/
🇬🇧
/ɔːˈθɒrətətɪvli/
adverb
R
with authority or confidence
The teacher authoritatively told the students to be quiet.
R
with knowledge or expertise
She can authoritatively discuss the topic because she has extensive experience in the field.
translation
with authority or confidence; with knowledge or expertise