bliss 
/ˈblɪʃ/ noun
/ˈblɪʃ/ noun [noncount] : complete happiness
▪ Their religion promises eternal bliss [=joy] in heaven. ▪ marital/wedded/domestic bliss [=complete happiness in marriage] ▪ Relaxing on the porch of our private villa was sheer bliss.
▪ Their religion promises eternal bliss [=joy] in heaven. ▪ marital/wedded/domestic bliss [=complete happiness in marriage] ▪ Relaxing on the porch of our private villa was sheer bliss.
ignorance is bliss — see ignorance
