swear

I swear I see a little drool come out of Woo’s mouth.

“Man of the law . . . met in Brighton . . . are you Judge Quinzy? Yes, of course you are! Forgive me, your honor! I meant no insult, I swear!”

“He said he’s sworn to secrecy. The only person he’ll talk to about it is Admiral Ashton himself. That’s who made him swear.”

A frightened pig was also a fair guess, yet Penelope could swear the sound was coming from the treetops, which ruled out pigs completely.

Speaking as she swore in her new cabinet, Samia warned that the violence could "set the country back".