make an oath

See: promise, vow
References in periodicals archive ?
On this occasion we make an oath to remain loyal to His Highness and remain inspired by his efforts to achieve his vision to transform Dubai into the smartest city in the world, to be at the forefront of all fields, and to provide residents and citizens with sustainability and services, of the highest international standards.
They insisted they were right to quiz Gail about her faith as she had chosen not to make an oath to God before testifying at politician husband Tommy's 2006 defamation trial.