adverb (r)

• as the end result of a succession or process(adv.all)

  Example:
  Ultimately he had to give in.
  

  Synonym:
  at last, at long last, finally, in the end
  

  source: wordnet30
• As a final consequence; at last; in the end; as, afflictions often tend to correct immoral habits, and ultimately prove blessings.(adverb)

  source: webster1913