To give an implied consent to a transaction, to the accrual of a right, or to any act, by one’s mere silence, or without express assent or acknowledgment. Matthews v. Murchison (C. C.) 17 Fed. 760; Cass County v. Plotner, 149 Ind. 116, 48 N. E. 635; Scott v. Jackson, 89 Cal. 258, 26 Pac. 898.