rightness

From right +‎ -ness

rightness (usually uncountable, plural rightnesses)

1. (uncountable) The characteristic of being right; correctness.
2. (countable) The result or product of being right; something correct.
3. The property of being on, or moving toward, the right.
   • 1996, Robert Cummins, Representations, Targets, and Attitudes (page 105)

     I think we are inclined to think the leftness and rightness can be represented because there is a word in our language that means left, and another that means right, and we understand those words.

• leftness