if something has a positive impact on something else then that something causes that something else
all_things has impact_on_other_things fairness is positive_character_trait. annoyance is negative_stimulus. positive_outcome_of_undertaking is success. sometimes_change is good_thing. change is when_one_thing_becomes_another_thing. positive_integer is positive_number. pleasingness is pleasantness. positive_stimulus is stimulation. positiveness is amount.