Augmentatively

The Century Dictionary and Cyclopedia
  • So as to augment or increase; in the manner of an augment.
  • Word Usage
    "As my explanations here are probably above your understand-ings, lattlebrattons, though as augmentatively uncomparisoned as Cadwan, Cadwallon and Cadwalloner, I shall revert to a more expletive method which I frequently use when I have to sermo with muddlecrass pupils."
    verb-stem
    augment