Mutability antonyms

What is the opposite word for Mutability?

• immutability
• immutableness
• constancy

  imbalance, state of constant change
• stagnation

  change, state of constant change
• stability

  change, imbalance
• steadiness

  state of constant change
• rest

  state of constant change
• 

  calm

  unsteadiness, imbalance
• soundness

  imbalance
• steadfastness

  imbalance
• balance
• similarity

  change
• uniformity

  change
• certainty

  unstableness, instability
• sureness

  unsteadiness, instability
• ease

  instability, unsteadiness
• 

  peace

  unsteadiness, instability
• strength

  unsteadiness, instability
• fixity