Stentorian
/stenˈtɔːriən/
Definition 1 of 1
Pro Tip 1/3Positive Authority
Used to express respect for someone's commanding way of speaking, often in a leadership context. 
The general's stentorian command instilled confidence in the troops.
Pro Tip 2/3Dramatic Effect
Ideal for situations requiring emphasis or attention, like speeches or theatrical performances. 
She stunned the audience with her stentorian announcement.
Pro Tip 3/3Not for Intimacy
Avoid using 'stentorian' to describe voices in gentle or tender moments; it's too overpowering. 
At the quiet gathering, his stentorian laugh seemed out of place.