1. The doctrine that the greatest happiness of the greatest number should be the end and aim of all social and political institutions; the doctrine that the test of the rightness or wrongness of an action is its conduciveness to the production of happiness or the reverse.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• ultiliarianism,
• utilitarians,
• utilitarianist,
• ultilitarianism,
• utilitariansim,
• utilitarianisism,
• utilitarianims,
• utilatarianism,
• utiltarianism,
• ulitarianism,
• utilitariarism,
• utiliarianism,
• utlitarianism,
• utilitirianism,
• uitilitarianism,
• utilitarinism,
• utillitarianism,
• utalitarianism,
• utiliterianism,
• utaliterianism

• utility man,
• utility-grade,
• utilitarian.

The adjective form of the word "utilitarianism" is "utilitarian".

The plural of the "utilitarianism" can be the "utilitarianisms".

The singular of the "utilitarianism" can be the "utilitarianism".