[soo m-oo m boh-noo m; English suhm-uh m boh-nuh m]
the highest or chief good.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
the principle of goodness in which all moral values are included or from which they are derived; highest or supreme good
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012