'Certainly' in the Bible

And she said, I will certainly go with you: though you will get no honour in your undertaking, for the Lord will give Sisera into the hands of a woman. So Deborah got up and went with Barak to Kedesh.

And his friend in answer said, This is certainly the sword of Gideon, the son of Joash, the men of Israel: into their hands God has given up all the army of Midian.

And the responsible men of Gilead said to Jephthah, May the Lord be our witness: we will certainly do as you say.

And Manoah said to his wife, Death will certainly be our fate, for it is a god whom we have seen.

The men of Israel were to make a turn about in the fight. And Benjamin had overcome and put to death about thirty of the men of Israel, and were saying, Certainly they are falling back before us as in the first fight.