immensely

from WordNet (r) 3.0 (2006)

immensely
    adv 1: to an exceedingly great extent or degree; "He had vastly
           overestimated his resources"; "was immensely more
           important to the project as a scientist than as an
           administrator" [syn: {vastly}, {immensely}]

from The Collaborative International Dictionary of English v.0.48

Immensely \Im*mense"ly\, adv.
   In immense manner or degree.
   [1913 Webster]

from Moby Thesaurus II by Grady Ward, 1.0

45 Moby Thesaurus words for "immensely":
      ad infinitum, boundlessly, colossally, divinely, endlessly,
      enormously, eternally, ever, excessively, exquisitely, extremely,
      forever, gigantically, gloriously, hugely, illimitably,
      immeasurably, in perpetuity, incalculably, incomprehensibly,
      infinitely, innumerably, inordinately, interminably, limitlessly,
      magnificently, marvelously, measurelessly, over, overfull, overly,
      overmuch, prodigiously, stupendously, superbly, terrifically,
      titanically, to infinity, too, tremendously, unduly, vastly,
      without end, without limit, wonderfully