noun (n)

• the quality of being enduring and free from change or variation

  kualitas yang kekal dan bebas dari perubahan atau variasi

  Example:
  Early mariners relied on the constancy of the trade winds.
  

  Synonym:
  stability
  Antonym:
  changefulness, inconstancy
  

  source: wordnet30
• (psychology) the tendency for perceived objects to give rise to very similar perceptual experiences in spite of wide variations in the conditions of observation

  (psikologi) the kecenderungan untuk dirasakan objek untuk memberikan naik ke sangat mirip color rendering intent pengalaman terlepas dari lebar variasi dalam kondisi observasi

  Synonym:
  perceptual constancy
  

  source: wordnet30
• faithfulness and dependability in personal attachments (especially sexual fidelity)

  kesetiaan dan dependability pribadi dalam lampiran (terutama ketepatan seksual)

  source: wordnet30
• The state or quality of being constant or steadfast; freedom from change; stability; fixedness; immutability; as, the constancy of God in his nature and attributes.

  negara atau kualiti menjadi pemalar atau cekal; kebebasan dari perubahan; kestabilan; fixedness; immutability; sebagai, i ketetapan/ aku tuhan sifatnya dan atribut.

  source: webster1913