Traditionally, it is used in spells and rituals where one is seeking peace and serenity. Vetiver is used to bring calm, and also opens you for blessings of love and abundance. It is a popular ingredient in formulas for High John oil, where it is combined with High John Root to give success in court cases and legal situations.
One can often use it to seek or enhance love as well, as love flourishes within a peaceful space…Thinking on the same vein, it is also great for spells of unhexing, helping to create a deeper peace by helping to remove curses and hexes.
Otherwise, it is also known as a potent agent in use of spells and rituals of money drawing, or those that are seeking financial success, perhaps drawing upon the peaceful properties of the oil to try to create financial stability and "peace" in the future for yourself or another. Drawing upon similar concepts, it is also great for spells of unhexing, helping to create a deeper peace by helping to remove curses and hexes.