noun (n)

• a well-substantiated explanation of some aspect of the natural world; an organized system of accepted knowledge that applies in a variety of circumstances to explain a specific set of phenomena

  sebuah well substantiated penjelasan dari beberapa aspek alam dunia; sebuah organisasi sistem menerima pengetahuan yang berlaku dalam berbagai untuk menjelaskan keadaan tertentu set fenomena

  Example:
  True in fact and theory.
  

  source: wordnet30
• a tentative insight into the natural world; a concept that is not yet verified but that if true would explain certain facts or phenomena

  sebuah tentative wawasan alam dunia; konsep yang belum disahkan itu tapi jika benar akan jelaskan tertentu fakta atau fenomena

  Example:
  A scientific hypothesis that survives experimental testing becomes a scientific theory.
  He proposed a fresh theory of alkalis that later was accepted in chemical practices.
  

  Synonym:
  hypothesis, possibility
  

  source: wordnet30
• a belief that can guide behavior

  sebuah keyakinan itu dapat membimbing perilaku

  Example:
  The architect has a theory that more is less.
  They killed him on the theory that dead men tell no tales.
  

  source: wordnet30
• A doctrine, or scheme of things, which terminates in speculation or contemplation, without a view to practice; hypothesis; speculation.

  sebuah falsafah, skema atau sesuatu, yang terhenti pada spekulasi atau iktibar, tanpa tujuan latihan; hipotesis; spekulasi.

  source: webster1913