What is Assume?

Legal Definition
To undertake; engage; promise. 1 Ld. Rayin. 122; 4 Coke, 92. To take upon one's self. Springer v. De Wolf, 194 I1L 218, 62 N. E. 542, 56 L. R. A. 465, 88 Am. St. Rep. 155
-- Black's Law Dictionary
Legal Definition
To undertake; engage; promise.
-- Ballentine's Law Dictionary