2 Verbs to Use for the Word certes

But I raised not hue nor cry for, certes, there was some black mystery here; only wept silently and prayed mercy on his soul that had been so brave and so merry a fellow.

And Bragwaine said: "Certes, that is Sir Tristram, and no one else in all the world.

2 Verbs to Use for the Word  certes