adjective (a)

• using or skilled in using analysis (i.e., separating a whole--intellectual or substantial--into its elemental parts or basic principles)(adj.all)

  Example:
  Analytical reasoning.
  An analytical mind.
  

  Synonym:
  analytic
  

  source: wordnet30
• of a proposition that is necessarily true independent of fact or experience(adj.all)

  Antonym:
  synthetic, synthetical
  

  source: wordnet30