silently

/ˈsaɪləntli/
adverb
  1. Without making any sound; in a quiet way.
    • She silently read the letter, her face unreadable.
    • The cat crept silently across the room.
    • The audience sat silently, waiting for the performance to begin.
  2. Without speaking; without expressing something in words.
    • They silently endured the long wait at the airport.
    • He silently agreed with her suggestion, nodding his head.
    • She silently wished him luck as he walked on stage.