Definitions by GR8_VIII

Similism 

a kind of action that benefits or is in the interest of all parties involved. From the Latin "simul", meaning "together". An alternative to egoism or altruism.

John's similism was obvious when he refused to give up until he found a solution that everyone was happy with.

Similism by GR8_VIII June 16, 2018

Similistic 

an adjective describing a person or action that works to the benefit of all parties involved. From the Latin "simul" meaning together. An alternative to egoistic or altruistic.

John's similistic attitude made him a perfect arbitrator for Bill and Marry's divorce.

Similistic by GR8_VIII June 16, 2018