1. depreciation a decrease in price or value
  2. deposition the act of putting something somewhere
  3. dissociation the act of removing from association
  4. depiction representation by drawing, painting, etc.
  5. deputation a group of representatives or delegates
  6. connotation an idea that is implied or suggested
  7. denotation the most direct or specific meaning of a word or expression
  8. depilation the act of removing hair (as from an animal skin)
  9. debarkation the act of passengers and crew getting off of a ship or aircraft
  10. denunciation a public act of condemnation
  11. defamation an abusive attack on a person's character or good name
  12. speciation the evolution of a biological species
  13. depletion the state of being used up
  14. desiccation the process of extracting moisture
  15. debilitation serious weakening and loss of energy
  16. debauchery a wild gathering involving drinking and promiscuity
  17. tabulation the act of putting into tabular form
  18. dedication complete and wholehearted fidelity
  19. aberration a state or condition markedly different from the norm
  20. appreciation understanding of the nature or meaning of something

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