1. cost-effective productive relative to the cost
  2. subjective taking place within the mind and modified by individual bias
  3. objective the goal intended to be attained
  4. effect a phenomenon that is caused by some previous phenomenon
  5. justificative attempting to justify or defend in speech or writing
  6. effective producing or capable of producing an intended result
  7. perspective a way of regarding situations or topics
  8. affect have an influence upon
  9. mass defect the amount by which the mass of an atomic nucleus is less than the sum of the masses of its constituent particles
  10. defective having a flaw
  11. distinctive of a feature that helps to identify a person or thing
  12. adjective the word class that qualifies nouns
  13. seductive tending to entice into a desired action or state
  14. destructive causing damage
  15. house detective a private detective employed by a hotel or retail store
  16. restrictive serving to limit
  17. ineffective not producing an intended consequence
  18. suffocative causing difficulty in breathing especially through lack of fresh air and presence of heat
  19. mystification confusion resulting from failure to understand
  20. constructive tending to improve or promote development