1. inference a conclusion you can draw based on known evidence
  2. influence a power to affect persons or events
  3. unflinching showing courage and determination in the face of danger
  4. endurance riding riding for long hours over long distances
  5. involuntariness the trait of being unwilling
  6. analytic thinking the abstract separation of a whole into its constituent parts in order to study the parts and their relations
  7. influence peddler someone who intervenes with authorities for a person in trouble (usually using underhand or illegal methods for a fee)
  8. unflattering not showing or representing in a favorable way
  9. fence mending social action to improve poor relations
  10. unfeelingness devoid of passion or feeling; hardheartedness
  11. unshrinking not shrinking from danger
  12. inflorescence the flowering part of a plant or arrangement of flowers on a stalk
  13. Jeannette Rankin leader in the women's suffrage movement in Montana
  14. unflagging unceasing
  15. unfaltering marked by firm determination or resolution; not shakable
  16. unfluctuating not liable to fluctuate or especially to fall
  17. inflexibleness a lack of physical flexibility
  18. sound ranging locating a source of sound (as an enemy gun) by measurements of the time the sound arrives at microphones in known positions
  19. wishful thinking the illusion that what you wish for is actually true
  20. unblinking showing no visible emotion