| Answer | Crossword Clue |
|---|---|
| gradation | change taking place in a series of stages |
| equilibrium | A state in which a process and its reverse are occurring at equal rates so that no overall change is taking place |
| equilibria | A state in which a process and its reverse are occurring at equal rates so that no overall change is taking place |
| progressive | (of a card game or dance) Involving a series of sections for which participants successively change place or relative position |
