undeniably

adv

1. In an undeniable manner, or to an undeniable extent.

   “[A]nd gaunt though his figure, and far from elegant though his dressing-robe, there was that about him which spoke undeniably of the grand seigneur— [...]”

   “It created inter-city and intermodal services, which were genuinely world leading. And it undeniably pushed British Railways into the modern era.”

2. Used as a modal adverb to assert that the indicated statement is undeniable.

   “The third movie was undeniably the best.”