adv. [f. prec. + -LY2.] As is assumed or taken for granted, presumably.
1881. Daily News, 10 March, 2/1. The point of order was assumedly designed to ascertain whether the Chairman was justified.
1883. H. Norman, in Fortn. Rev., 114. The smaller acts and sayings of his [Longfellows] life, assumedly the best indexes of a mans character, showed the invincible sweetness of the underlying disposition.