I think the WORD you're
looking for is... "invisible."
The Big Bang Theory Season 5, Episode 17
The WORD of a Kingslayer.
Game of Thrones Season 5, Episode 9
Soon. You have my WORD.
Game of Thrones Season 6, Episode 4
Say the WORD
Westworld Season 2, Episode 5
You have my WORD you'll be
properly fed and clothed from now on.
Game of Thrones Season 6, Episode 8