Voluntarily relinquish, as a right

WAIVE

Think of what you might do with a fee or requirement when you decide to let it slide without penalty.

The clue "Voluntarily relinquish, as a right" points to "WAIVE," which means to give up a claim or right without being forced. It’s a straightforward definition—no wordplay or tricks here—just a direct match between the clue’s meaning and the answer. Think of waiving a fee or a legal right; that’s the idea.