Verbs, Nouns and Adjectives of CHANGE

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Across
  1. 2. (verb) small modification
  2. 3. (adj) meaning of something made better
  3. 5. (noun) up and down oscillation
  4. 6. (adj) sudden, often violent change
  5. 8. (verb) increase and maximize
  6. 9. (adj) reversed, re-ordered
  7. 12. (noun) when something is older and more mature
Down
  1. 1. (noun) something smaller and diminished
  2. 4. (noun) something renovated and reformed
  3. 7. (verb) synonym for 'convert'
  4. 10. (noun) gradual change
  5. 11. (verb) synonym for decay, degenerate