adverb (r)

• in an effective manner(adv.all)

  Example:
  These are real problems that can be dealt with most effectively by rational discussion.
  

  Synonym:
  efficaciously
  Antonym:
  ineffectively, inefficaciously
  

  source: wordnet30
• in actuality or reality or fact(adv.all)

  Example:
  She is effectively his wife.
  

  Synonym:
  in effect
  

  source: wordnet30
• With effect; powerfully; completely; thoroughly.(adverb)

  source: webster1913