underwrite

"The mechanic is guaranteeing the car repairs for one year. "

"Responsibility is a heavy burden."

"To explain a chapter of the Bible."

"The teacher underwrote the student's request for an extension, approving it in writing. "

"The mechanic guaranteed that the car repair would be done by Friday. "

"The underwriter agreed to buy all the unsold shares of the company, assuming the risk if investors didn't purchase them. "

"My teacher explained the new math formula specifically for students in the advanced class. "

"an invitation to a party, to a dinner, or to visit a friend"

"My grandfather helped me with my math homework. "

"The professor underwrites notes on student papers, providing feedback and corrections directly on their work. "

"During the centuries, the people of Ireland struggled constantly to assert their right to govern themselves."

"My younger sister received a scholarship to attend the university. "