1. premier first in rank or degree
  2. premiere the first public performance of a play or movie
  3. primer an introductory textbook
  4. a priori reasoned from a general principle to a necessary effect
  5. primary of first rank or importance or value
  6. appreciate be fully aware of; realize fully
  7. upriver toward the source or against the current
  8. appraiser one who determines authenticity or who guarantees validity
  9. approver an authority with power to approve
  10. evermore for a limitless time
  11. open primary an initial election in which any registered voter can vote
  12. affirmer someone who claims to speak the truth
  13. Brumaire second month of the Revolutionary calendar
  14. Ob River a major river of western Siberia
  15. Armeria shrubby or herbaceous low-growing evergreen perennials
  16. imprimatur formal and explicit approval
  17. oppressor a person of authority who subjects others to undue pressures
  18. prior earlier in time
  19. aperture a natural opening in something
  20. uproar a state of commotion and noise and confusion