Related Clues:

• Office entry requirement, perhaps
• Word of honor
• Inauguration Day highlight
• Curse or vow, e.g.
• Administered item
• President's pledge
• Formal promise
• Inauguration feature
• Promising words?
• Inaugural event
• It precedes much testimony
• "I do," for one
• Solemn pronouncement
• Testimony prelude
• Salty retort