to renounce

from Bouvier's Law Dictionary, Revised 6th Ed (1856)
TO RENOUNCE. To give up a right; for example, an executor may renounce the 
right of administering the estate of the testator; a widow the right to 
administer to her intestate husband's estate. 
     2. There are some rights which a person cannot renounce; as, for 
example, to plead the act of limitation. Before a person can become a 
citizen of the United States he must renounce all titles of nobility. Vide 
Naturalization; To Repudiate. 
    

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