noun (n)

• a rate (usually rapid) at which something happens

  tingkat (biasanya rapid) di mana sesuatu terjadi

  Synonym:
  speed, swiftness
  

  source: wordnet30
• the quality of being fixed in place as by some firm attachment

  kualitas diperbaiki oleh beberapa perusahaan di tempat sebagai lampiran

  Synonym:
  fixedness, fixity, fixture, secureness
  Antonym:
  looseness
  

  source: wordnet30
• a strongly fortified defensive structure

  struktur benteng pertahanan yang kuat

  Synonym:
  stronghold
  

  source: wordnet30
• The state of being fast and firm; firmness; fixedness; security; faithfulness.

  keadaan menjadi cepat dan tegas; ketegasan; fixedness; keamanan; kesetiaan.

  source: webster1913