Alteration

Al·ter·a·tion

Alteration

n.
  1. The act of altering or making different.
    Alteration, though it be from worse to better, hath in it incoveniences.
  2. The state of being altered; a change made in the form or nature of a thing; changed condition.
    Ere long might perceive Strange alteration in me.
    Appius Claudius admitted to the senate the sons of those who had been slaves; by which, and succeeding alterations, that council degenerated into a most corrupt.