She made a PLEDGE.
Game of Thrones Season 7, Episode 7
With this kiss, I PLEDGE my love.
Game of Thrones Season 4, Episode 2
Pledge me your service
and you'll rise again as Jon Stark,
Game of Thrones Season 5, Episode 2
"I PLEDGE my life and honor
to the Night's Watch,
Game of Thrones Season 1, Episode 10
and PLEDGE to do all I can to make
amends so the Freys of the Crossing
Game of Thrones Season 3, Episode 9