adverb (r)

• to a distinctly greater extent or degree than is common(adv.all)

  Example:
  An especially (or specially) cautious approach to the danger.
  

  Synonym:
  particularly, peculiarly, specially
  

  source: wordnet30
• in a special manner(adv.all)

  Synonym:
  specially
  

  source: wordnet30
• In an especial manner; chiefly; particularly; peculiarly; in an uncommon degree.(adverb)

  source: webster1913