'Made a Vow' in the Bible

Then Jacob made a vow (promise), saying, “If God will be with me and will keep me on this journey that I take, and will give me food to eat and clothing to wear,

“This is the law for the Nazirite who vows his offering to the Lord for his separation, besides what else he is able to afford, according to the vow which he has vowed; so shall he do according to the law for his separation and abstinence [as a Nazirite].”

Jephthah made a vow to the Lord and said, “If You will indeed give the Ammonites into my hand,

Paul stayed for a while longer, and then told the brothers and sisters goodbye and sailed for Syria; and he was accompanied by Priscilla and Aquila. At Cenchrea [the southeastern port of Corinth] he had his hair cut, because he was keeping a [Nazirite] vow [of abstention].