felicity
fe.lic.i.ty \fi-'lis-*t-e-\ n [ME felicite, fr. MF felicite`, fr. L felicitat-, felicit]as, fr. felic-, felix fruitful, happy 1a: the quality or state of being happy; esp : great happiness 1b: an instance of happiness 2: something that causes happiness 3: a pleasing faculty esp. in art or language : APTNESS 4: an apt expression