imposingly

/ɪmˈpoʊzɪŋli/
adverb
  1. In a way that is large, impressive, and commands attention or respect.
    • The skyscraper rose imposingly above the rest of the city skyline.
    • She walked imposingly onto the stage, and the audience fell silent.
    • The general stood imposingly at the front of the room, his uniform covered in medals.