Acquiescenche
Defined in 1 dictionary — Black's (1891)
A Dictionary of Law
Henry Campbell Black · 1891
Acquiescencs is where a person who knows that he is entitled to impeach a transaction or enforce a right neglects to do so for such a length of time that, under the circumstances of the case, the other party may fairly infer that he has waived or abandoned his right. Sweet.