1. appreciate be fully aware of; realize fully
  2. apparent clearly revealed to the mind or the senses or judgment
  3. append fix to; attach
  4. aperient mildly laxative
  5. apprentice someone who works for an expert to learn a trade
  6. operand a quantity upon which a mathematical operation is performed
  7. abhorrent offensive to the mind
  8. apprehend anticipate with dread or anxiety
  9. prudent marked by sound judgment
  10. apparently seemingly; as far as one can tell
  11. Arendt United States historian and political philosopher
  12. aberrant markedly different from an accepted norm
  13. Aepyornidae coextensive with the order Aepyorniformes
  14. parent a father or mother
  15. apartheid a social policy of racial segregation
  16. inherent existing as an essential constituent or characteristic
  17. apron a garment tied about the waist and worn to protect clothing
  18. appearance outward or visible aspect of a person or thing
  19. operant having influence or producing an effect
  20. abrogate revoke formally