undoubtedly

adv

Etymology: From Middle English undoutedly, equivalent to undoubted + -ly.

1. Without doubt; definitely.

   “The cane was undoubtedly of foreign make, for it had a solid silver ferrule at one end, which was not English hall–marked.”

   “He declared that these drastic steps would undoubtedly inconvenience a good many people, but the alternative was bankruptcy of the Ulster Transport Authority and the breakdown of public transport services.”