authoritative

US /əˈθɔːr.ə.t̬ə.t̬ɪv/
UK /əˈθɔːr.ə.t̬ə.t̬ɪv/
1.

có thẩm quyền

showing that you are confident, in control, and expect to be respected and obeyed:

:
•
She has an authoritative manner that at times is almost arrogant.