Resigned means voluntarily stepping down from a position or office. In the context of President Nixon, he resigned from the presidency on August 8, 1974, due to mounting pressure related to the Watergate scandal.
Related terms
Gerald Ford: The Vice President who succeeded Richard Nixon after his resignation and became the 38th President of the United States.
Pardon: The action of granting legal forgiveness for a crime committed. Gerald Ford controversially pardoned Richard Nixon shortly after becoming president.
Executive privilege: As mentioned earlier, it is a related term because some argued that if Nixon had not resigned, he could have claimed executive privilege to protect himself from further investigations into the Watergate scandal.