1. smartness intelligence as manifested in being quick and witty
  2. smart money money bet or invested by experienced gamblers or investors
  3. sportiveness lively high-spirited playfulness
  4. secretiveness characterized by a lack of openness
  5. smarminess smug self-serving earnestness
  6. smarting a kind of pain such as that caused by a wound or a burn or a sore
  7. assertiveness aggressive self-assurance; given to making bold assertions
  8. imperativeness the state of demanding notice or attention
  9. symphonise play or sound together, in harmony
  10. marathoner someone who participates in long-distance races
  11. smarten up dress and groom with particular care, as for a special occasion
  12. mirthfulness great merriment
  13. martinet someone who demands exact conformity to rules and forms
  14. furtiveness a disposition to be stealthy and do things surreptitiously
  15. symphonious harmonious in sound
  16. combativeness a militant aggressiveness
  17. sensitiveness sensitivity to emotional feelings (of self and others)
  18. stiffness the physical property of being inflexible and hard to bend
  19. symphonize play or sound together, in harmony
  20. Smitty Stevens United States psychologist and psychophysicist who proposed Stevens' power law to replace Fechner's law (1906-1973)